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#34256 - 07/03/13 11:47 AM Grizzly smoking badly...
dirtfan07 Offline
enthusiast

Registered: 10/19/12
Posts: 297
Loc: NE Pennsylvania
Not sure what happened. Went riding on a hot day with a slow moving group. We climbed a mountain trail and then stopped at the top. An hour later I started it and it smoked a little. Got progressivly worse as the day went on. Last night when I started it it smokes badly every time you hit the throttle. Temp or oil light never came on. Fan is working. Oil is quite low. Seems to have lost a bit of power....

I'm thinking burned/ cracked piston or a broken ring? Anyone else ever have a problem like this? As a side note, their were 2 Rhino's on the ride with us and neither of them would start for an hour after climbing the mountain. I'm sure it was warm but I wasn't beating on it. We were going like 10 mph!!
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Proud 4th generation military. Thank you to all who have served

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#34266 - 07/03/13 02:28 PM Re: Grizzly smoking badly... [Re: dirtfan07]
Wildhorse800 Offline


Registered: 11/04/10
Posts: 1344
Loc: Between Bedford and Canada
If it is oil burning, then my first step is look into the airbox for oil. If you do find it in the airbox, just clean it out and refill the oil to middle of SAFE area on stick.

I would take it out and run it at normal speeds and see what happens.
Make sure it is the recommended weight oil. Sometimes that 0w-40 can be too thin as the engine warms. A thin oil can be pushed out breathers way more easily than a good 10W-?. It can be pushed out the breather and into the airbox if too much pressure builds in the crankcase. Its just how these systems work. 0W oil works great for engines with an oil reservoir or a larger crankcase. I ended up using 5W-40 in my sportsman 800 as the factory oil is 0W-50 but it was drinking it pretty good since new! I always break my stuff in correctly.
Blow-by is more serious as compression is bypassing the rings causing excessive amounts of pressure in the crankcase and can really push oil into the airbox.

You can also check the compression if you have a tester. I don't know what they are looking for, but I'd be guessing around 160 psi.

And 10 mph? Hope you were all in low. Not only will high do heat damage to your belt, but high can also lug an engine(too low of RPM for vehicle speed) that can burn valves, score the cylinder walls and can even burn a hole in the piston! When in doubt, switch to low!

I am assuming it is fuel injected.

bring it over and I'll take a look...


Edited by Wildhorse800 (07/03/13 02:34 PM)

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#34269 - 07/03/13 02:38 PM Re: Grizzly smoking badly... [Re: dirtfan07]
DirtyDeed Offline
addict

Registered: 10/16/12
Posts: 522
Loc: Wind Gap, PA
What kind of oil are you using? Dino or synthetic? Synthetics CAN have a tendency to sneak by the rings in SOME machines.
_________________________
2012 Brute Force 750 EPS (stock)
2012 Grizzly 550 EPS Camo and gun racks (wife's ride)

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#34271 - 07/03/13 02:53 PM Re: Grizzly smoking badly... [Re: DirtyDeed]
Wildhorse800 Offline


Registered: 11/04/10
Posts: 1344
Loc: Between Bedford and Canada
Synthetic or dino should have no bearing on it. Its the weight of the oil. 10 weight syn and dino are the same thickness and will flow the same. The problem is that people are using a 0W-40 instead of 10W-40 in the machines because it is "acceptable" for protection of the engine.
The problem is that it has to get hot enough for the molecules to squeeze tighter together thus resulting in thickening up to the posted weight, being 40 weight in this instance. So that 0 weight is too thin for an engine with clearances designed to start lubrication with a 10 weight. Your oil will bypass rings and seals much more easily. Trial and error can work, but you need to check the level before, during and after the ride to see if it is having any problems. This is just for the oil end of the discussion.

I stopped using my 5W-40 synthetic in my Teryx because it started using oil. Switched back to 10W-40 Amsoil and haven't used a drop in the last 3 months.

Of course, it comes down to the engine in question. There are many outcomes for each engine design, so it's more suggestion than definite answers.

Hope this helps!

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#34277 - 07/03/13 03:43 PM Re: Grizzly smoking badly... [Re: dirtfan07]
DirtyDeed Offline
addict

Registered: 10/16/12
Posts: 522
Loc: Wind Gap, PA


Regarding compression:

Standard compression pressure (at sea level) 480 kPa (4.8 kgf/cm², 68.3 psi)
(Minimum–maximum 420–540 kPa (4.2–5.4 kgf/cm², 59.7–76.8 psi)

dirtfan, let me know if you want that manual.
_________________________
2012 Brute Force 750 EPS (stock)
2012 Grizzly 550 EPS Camo and gun racks (wife's ride)

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#34278 - 07/03/13 04:00 PM Re: Grizzly smoking badly... [Re: dirtfan07]
dirtfan07 Offline
enthusiast

Registered: 10/19/12
Posts: 297
Loc: NE Pennsylvania
I took it to a local repair shop on my lunch break today. They are going to run a compression test and leak down but even he said it didn't look good after I started it up. He also said he found quite a few others having simular problems. Most are rings or pistons but a few a cracking the cylinders. It hasn't lost any water so I'm hoping it not as serious as the cylinders.

Honestly, when I bought it, the lady (yeah, I think I got suckered) said it had just been serviced. The oil looked clean so I never changed it. Up until the last ride, it never used any. I've put about 900 miles on it in 9 months I've owned it. I am guilty of riding too slow in high range and I was in high climbing the hill. This is the first auto atv I've ever owned; I thought it was better to error high to keep engine rpm's down?
_________________________
Proud 4th generation military. Thank you to all who have served

I've earned the names "Treefan" and "Deerfan"...

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#34279 - 07/03/13 04:08 PM Re: Grizzly smoking badly... [Re: dirtfan07]
DirtyDeed Offline
addict

Registered: 10/16/12
Posts: 522
Loc: Wind Gap, PA
which machine? I suppose there is no Yamaha Extended Service (YES) warranty? I thought yam used a ceramic sleeve in the 550, not sure when that started.

I wish ya luck.
_________________________
2012 Brute Force 750 EPS (stock)
2012 Grizzly 550 EPS Camo and gun racks (wife's ride)

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#34286 - 07/03/13 06:08 PM Re: Grizzly smoking badly... [Re: dirtfan07]
jays375 Offline
member

Registered: 10/16/11
Posts: 188
Loc: Northeastern Pa.
What year is it?The 02 and up till fuel injected had terrible air filters.Compression test will tell all.Tough buying a used machine.You really need to look them over hard.

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#34289 - 07/04/13 10:19 AM Re: Grizzly smoking badly... [Re: dirtfan07]
dirtfan07 Offline
enthusiast

Registered: 10/19/12
Posts: 297
Loc: NE Pennsylvania
It's mine, the 10 model that's having the problems. Clearly, this is something I did to it cause it didn't have a problem for 900 miles. Prob lugging it in high gear, working it hard with no air going through it, on a hot day, then shutting it right off with no cool down? This is also the first liquid-cooled machine I've owned and I never thought about it getting hot. Their is no mud or anything obstructing the radiator. Could it be a bad water pump? Again though, the idiot light never came on. What concerns me most is not knowing what caused it, therefore, I don't know how to prevent it again. Going to Hatfield in a month and its gonna be a lot hotter and steeper trails there.
_________________________
Proud 4th generation military. Thank you to all who have served

I've earned the names "Treefan" and "Deerfan"...

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#34291 - 07/04/13 12:40 PM Re: Grizzly smoking badly... [Re: dirtfan07]
jays375 Offline
member

Registered: 10/16/11
Posts: 188
Loc: Northeastern Pa.
Normal trail riding does not make a motor go bad.How many miles on machine?

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#34338 - 07/08/13 01:49 PM Re: Grizzly smoking badly... [Re: dirtfan07]
dirtfan07 Offline
enthusiast

Registered: 10/19/12
Posts: 297
Loc: NE Pennsylvania
Just heard form the repair shop. They said it has 80psi of compression. They haven't torn into it yet but he says he thinks it sucked in a bunch of dirt. Their is dust under the filter and in the throttle body... a lot from what he says. Everything was in place and tight. The filter was just cleaned 2 months ago. What happened?
_________________________
Proud 4th generation military. Thank you to all who have served

I've earned the names "Treefan" and "Deerfan"...

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#34339 - 07/08/13 02:01 PM Re: Grizzly smoking badly... [Re: dirtfan07]
DirtyDeed Offline
addict

Registered: 10/16/12
Posts: 522
Loc: Wind Gap, PA
I've heard of problems with airbox to throttle body not being tight. Honestly, I clean my air filters like every 10 hours, or always after a dusty ride. I guess I'm a fanatic about that stuff.

Compression is about right, a little on the high side.

Did I read your post correctly in that you never changed the oil in 900 miles?


Edited by DirtyDeed (07/08/13 02:11 PM)
_________________________
2012 Brute Force 750 EPS (stock)
2012 Grizzly 550 EPS Camo and gun racks (wife's ride)

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#34342 - 07/08/13 03:30 PM Re: Grizzly smoking badly... [Re: dirtfan07]
dirtfan07 Offline
enthusiast

Registered: 10/19/12
Posts: 297
Loc: NE Pennsylvania
I was thinking that compression was pretty low. For some reason between 120 and 150 was more what I was thinking but I might be thinking of cars?
_________________________
Proud 4th generation military. Thank you to all who have served

I've earned the names "Treefan" and "Deerfan"...

Top
#34343 - 07/08/13 03:57 PM Re: Grizzly smoking badly... [Re: dirtfan07]
DirtyDeed Offline
addict

Registered: 10/16/12
Posts: 522
Loc: Wind Gap, PA
I guess you didn't read my post on 7/3?

Regarding compression (from service manual):

Standard compression pressure (at sea level) 480 kPa (4.8 kgf/cm², 68.3 psi)
(Minimum–maximum 420–540 kPa (4.2–5.4 kgf/cm², 59.7–76.8 psi)

dirtfan, let me know if you want that manual.


Edited by DirtyDeed (07/08/13 03:58 PM)
_________________________
2012 Brute Force 750 EPS (stock)
2012 Grizzly 550 EPS Camo and gun racks (wife's ride)

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#34346 - 07/08/13 05:08 PM Re: Grizzly smoking badly... [Re: dirtfan07]
mikeexplorer Offline


Registered: 10/28/10
Posts: 668
Loc: Northeast, PA
I had a similar situation a few years ago. Compression test was ok but smoked like a freight train. The oil rings can go bad but still have good compression. In my case it was the first service the quad had, they never put the intake back on right and it sucked in unfiltered air for over 2 years and sure enough, oil burning. This was around 3,400 miles. You could have the same situation with the intake or the air filter is not seating right in the airbox, or the filter itself is allowing dust to get through.

It sounds like you need a top end rebuild, but it will solve the problem. You do need to determine why unfiltered air was getting by or it will happen again.

As for 900 miles before an oil change, that is ok for synthetic oil. Arctic Cat's recommend oil changes every 1,000 miles if using ACX synthetic, regular oil is changed around 300-400 miles.

Mike
_________________________
2010 Arctic Cat 366 4X4 SE
2012 Arctic Cat 450 4X4 H1
2017 Arctic Cat Alterra 400


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#34350 - 07/08/13 09:29 PM Re: Grizzly smoking badly... [Re: dirtfan07]
dirtfan07 Offline
enthusiast

Registered: 10/19/12
Posts: 297
Loc: NE Pennsylvania
Thanks DD and Mike for the info. I'm gonna call the shop tomorrow and see what is what. I was kinda in shock when they called today; just couldn't understand why is sucked in dirt if everything was on and tight as it should be? Making me worry cause we have two 550's now
_________________________
Proud 4th generation military. Thank you to all who have served

I've earned the names "Treefan" and "Deerfan"...

Top
#34373 - 07/09/13 01:03 PM Re: Grizzly smoking badly... [Re: dirtfan07]
dirtfan07 Offline
enthusiast

Registered: 10/19/12
Posts: 297
Loc: NE Pennsylvania
Shop says the motor is junk. Needs piston, rings, cylinder, rod, and crank. Anyone know of a place that might have a used motor or motor parts?
_________________________
Proud 4th generation military. Thank you to all who have served

I've earned the names "Treefan" and "Deerfan"...

Top
#34377 - 07/09/13 01:47 PM Re: Grizzly smoking badly... [Re: dirtfan07]
Yamsaab Offline
journeyman

Registered: 02/26/13
Posts: 86
Loc: Dillsburg, PA
Watch on ebay, but why buy used parts? Used parts are a gamble. It can't be any more expensive then rebuilding a modern 4stroke MX bike.

I'm not sure what's available as far as your quad but generally you can have your crank rebuilt for less the 200 bucks. And the piston,rings, and wristpin come as a kit that will likely cost around 150 or less from Wiseco. Your cylinder will need rebored and plated and because of that the piston will have to be an oversized piston.

I would assume that wiseco would be an option for pistons since they make pistons for basically every bike/atv/car out there.

And if for some reason you can't find wiseco pistons or oversized OEM pistons. I'd be selling the quad. A quick search is coming up with absolutely no pistons other then OEM standard bore which is very surprising.

Edit: Searched some more and found nothing other then stock oem in standard bore. dohdoh I can't believe that, it's not like its some fancy motorized vehicle like a Beta or GasGas it's a Yamaha. I can easily find a few suppliers of forged and cast pistons in both standard and oversized sizes for my Saab, which aren't exactly a common car.

_________________________
Vintage Yamaha Connoisseur

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#34378 - 07/09/13 02:42 PM Re: Grizzly smoking badly... [Re: Yamsaab]
dirtfan07 Offline
enthusiast

Registered: 10/19/12
Posts: 297
Loc: NE Pennsylvania
Yeah, both the shop and I have found the same thing you have; nothing!! Was just thinking used parts might save some money. The shop says since Yamaha doesn't offer +pistons, that must mean the cylinder can't be bored and will have to be replaced (Im still looking into sleeving?). Absolutely NO aftermarket pistons or even a big-bore kit. Since it all has to come from Yamaha, the current estimate is $3,000!! That's 2/3 what I paid for the machine. Salvage yard says bring it to them but they wouldn't even give me an estimate.

Quad has the stock filter. Cleaned and oiled about 200 miles ago. We do ride in groups on dirt roads that can be quite dusty but it's nothing I wouldn't drivwe my car through so an atv should be able to handle it. I'm most concerned about not knowing what caused this? Everyone I talk to says they never heard of a 550 having a problem
_________________________
Proud 4th generation military. Thank you to all who have served

I've earned the names "Treefan" and "Deerfan"...

Top
#34381 - 07/09/13 04:15 PM Re: Grizzly smoking badly... [Re: dirtfan07]
DirtyDeed Offline
addict

Registered: 10/16/12
Posts: 522
Loc: Wind Gap, PA
check grizzly central site. http://www.grizzlycentral.com

They are always parting out stuff on there. maybe there is a bbk link as well for the 550. I believe the 550 bottom is the same as the 700, so possibly make a swap for a 700 motor.

I'll take a peek on the GC forum to see if anyone else had a similar problem, but I still think it would be good for you to join it (you do have another 550 right)?

http://www.grizzlycentral.com/forum/parts-sale/



Edited by DirtyDeed (07/09/13 04:20 PM)
_________________________
2012 Brute Force 750 EPS (stock)
2012 Grizzly 550 EPS Camo and gun racks (wife's ride)

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#34384 - 07/09/13 05:32 PM Re: Grizzly smoking badly... [Re: dirtfan07]
mikeexplorer Offline


Registered: 10/28/10
Posts: 668
Loc: Northeast, PA
Being that I am a Cat person I can't offer much except to support suggestions of looking at Yamaha related forum boards for advice and possible look for one who may have crashed his machine and is parting it out. I ride the same dusty coal dust terrain you do and that does seem like a lot of damage. I can understand the rings and the the cylinder wall, but the crank is bad too? Mine was smoking like a freight train and all it needed was new rings and a cylinder cleaning. Its been fine ever since (and over 9,000 miles later)

here also has to be 3rd party options for parts as well.

Mike
_________________________
2010 Arctic Cat 366 4X4 SE
2012 Arctic Cat 450 4X4 H1
2017 Arctic Cat Alterra 400


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#34385 - 07/09/13 05:36 PM Re: Grizzly smoking badly... [Re: dirtfan07]
jays375 Offline
member

Registered: 10/16/11
Posts: 188
Loc: Northeastern Pa.
What shop are you using?To me they don't either know how or want to do the work.You can get the crank redone.Unless it is total junk.Which seems you would have some knocking .The way they are talking you should have had major failure.Like a piston or rod let loose.Think it would be wiser to rebuild what you have than take a chance on a used engine.Another odd thing is why use OEM to rebuild rather than aftermarket.Seems very odd there isn't any aftermarket available.Only thing that might be a pain is a plated cylinder.I might have jumped the gun on this without a little research.

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#34386 - 07/09/13 05:59 PM Re: Grizzly smoking badly... [Re: dirtfan07]
dirtfan07 Offline
enthusiast

Registered: 10/19/12
Posts: 297
Loc: NE Pennsylvania
I found a completely rebuilt motor, including heads, for $2,100 delivered. Something to consider

According to the shop what happened is it sucked in a bunch of dirt which washed the cylinder. That caused it to use oil and lack of oil scored the rod. He wasn't positive about the crank but based on his experience, if one end of the rod is scored, the other end is too. If it scored the rod, most likely it scored the crank. I asked about turning it (like we do for cars) and he said it's hard to do and expensive.

He also says the only aftermarket part he can find is a gasket kit; everything has to come from Yamaha. Like Yamasaab says, Wiesco makes a piston for my weedeater but not a 550?? Yamaha does not make a over-size piston so boring the cylinder isn't an option. He said it wouldn't clean up enough with a hone. The head is "fine" but I gotta wonder if the bottom end got starved for oil, the top end had to too?
_________________________
Proud 4th generation military. Thank you to all who have served

I've earned the names "Treefan" and "Deerfan"...

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#34387 - 07/09/13 06:01 PM Re: Grizzly smoking badly... [Re: dirtfan07]
dirtfan07 Offline
enthusiast

Registered: 10/19/12
Posts: 297
Loc: NE Pennsylvania
If anyone finds aftermarket piston, rod, or crank, please post a link. thx
_________________________
Proud 4th generation military. Thank you to all who have served

I've earned the names "Treefan" and "Deerfan"...

Top
#34392 - 07/09/13 09:01 PM Re: Grizzly smoking badly... [Re: dirtfan07]
Yamsaab Offline
journeyman

Registered: 02/26/13
Posts: 86
Loc: Dillsburg, PA
Hope you find something. 3k is a lot of money to drop into a machine just in parts. That rebuilt engine sounds like a bargain if it comes from a reputable place.

I'm still baffled by the lack of aftermarket support this quad has.
_________________________
Vintage Yamaha Connoisseur

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#34395 - 07/09/13 10:33 PM Re: Grizzly smoking badly... [Re: dirtfan07]
El Presidente Goody07' Offline
Asst. Rep. region #6

Registered: 05/25/11
Posts: 1472
Loc: HERSHEY, PA
Easy fix!!! just tell people that you swapped the original motor for a vintage two stroke motor and they just do that.... rofl
_________________________
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2012 HONDA RINCON W/ 715cc BIG BORE, WEB CAM, CARLISLE 489'S AND MANY OTHER GOODIES. 2011 HONDA RANCHER AT W/ IRS, PS & ELECTRIC SHIFT AT OR MT A.K.A FLIPPER!!! ( WIFES )

MEMBER OF THE ANTHRACITE TRAIL RIDERS

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#34397 - 07/10/13 12:00 AM Re: Grizzly smoking badly... [Re: dirtfan07]
Yamsaab Offline
journeyman

Registered: 02/26/13
Posts: 86
Loc: Dillsburg, PA
Or just say you run premix to keep the cylinder extra lubricated. I'm guessing that 3k quote is parts and labor. honestly if you got the crank rebuilt and purchased the other oem parts you needed I don't see much now then a grand in parts.

380 for the jug
150-170 for the piston, rings, wristpin, etc
200-300 to have the crank rebuilt.
100 bucks for a gasket kit.

Even buying a new crank would barely push parts over a grand.

Do you trust this shop? Your quad has an auto decomp system so 80psi is about where you want to be anyways. without that system in place I would expect somewhere between 120-150 like you said.



Edited by Yamsaab (07/10/13 01:20 PM)
_________________________
Vintage Yamaha Connoisseur

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#34403 - 07/10/13 07:59 AM Re: Grizzly smoking badly... [Re: DirtyDeed]
Wildhorse800 Offline


Registered: 11/04/10
Posts: 1344
Loc: Between Bedford and Canada
I always re-tighten every hose clamp from factory. This after my old Blaster (brand new) had the carb only partially clamped into the intake.

I also make sure to use a little grease on the foam that seals the filter to the air box.

I dunno why you would need a new crank and rod. Should be OK with just the top end. Its not knocking, is it?

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#34404 - 07/10/13 08:14 AM Re: Grizzly smoking badly... [Re: Wildhorse800]
Wildhorse800 Offline


Registered: 11/04/10
Posts: 1344
Loc: Between Bedford and Canada
http://www.ebay.com/itm/Wiseco-Top-End-K...c57&vxp=mtr

Machine shop can bore the cylinder for you.

Depending on your skills, I'd take a stab at DIY. Got lotsa help if you need it.

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#34438 - 07/10/13 08:40 PM Re: Grizzly smoking badly... [Re: dirtfan07]
Yamsaab Offline
journeyman

Registered: 02/26/13
Posts: 86
Loc: Dillsburg, PA
Keep in mind that the cylinder will need replated. Most bikes produced in the last 20 years have a nikasil plating. I would assume modern quads also use this technology.

The plating process can't be done by a general machine shop.
_________________________
Vintage Yamaha Connoisseur

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#34449 - 07/11/13 07:41 AM Re: Grizzly smoking badly... [Re: dirtfan07]
dirtfan07 Offline
enthusiast

Registered: 10/19/12
Posts: 297
Loc: NE Pennsylvania
The shop says it has a noise in the bottom end so they are assuming since the rod and cylinder are scored so badly, the crank is too. It ran low on oil due to it burning so much before anyone noticed. Shop says the head looks good but if that much dirt was in side the engine and it was low on oil, think I'm gonna just do the re-man'ed motor and start over.

Correct on the plating of the cylinder. Sometimes it can be bored and re-plated but no one (even Yamaha) makes oversized pistons. From what I've found, you can replace the sleeve in the cylinder but it is very difficult and the expense would be close to just buying a new cylinder.
_________________________
Proud 4th generation military. Thank you to all who have served

I've earned the names "Treefan" and "Deerfan"...

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#34451 - 07/11/13 09:41 AM Re: Grizzly smoking badly... [Re: dirtfan07]
DirtyDeed Offline
addict

Registered: 10/16/12
Posts: 522
Loc: Wind Gap, PA
have you considered swapping it with a 700 motor/700 top end? I think they are plentiful.
_________________________
2012 Brute Force 750 EPS (stock)
2012 Grizzly 550 EPS Camo and gun racks (wife's ride)

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#34454 - 07/11/13 10:17 AM Re: Grizzly smoking badly... [Re: dirtfan07]
dirtfan07 Offline
enthusiast

Registered: 10/19/12
Posts: 297
Loc: NE Pennsylvania
I did think of that but couldn't find a lot of info on it being possible. The one thing I did find was that their is something different with the throttle body so I kinda was ruling it out
_________________________
Proud 4th generation military. Thank you to all who have served

I've earned the names "Treefan" and "Deerfan"...

Top
#34457 - 07/11/13 01:48 PM Re: Grizzly smoking badly... [Re: Yamsaab]
Wildhorse800 Offline


Registered: 11/04/10
Posts: 1344
Loc: Between Bedford and Canada
Originally Posted By: Yamsaab
Keep in mind that the cylinder will need replated. Most bikes produced in the last 20 years have a nikasil plating. I would assume modern quads also use this technology.

The plating process can't be done by a general machine shop.


Can't say I know about this plating, but it should be able to be just bored and run without the plating. I thought it was just a silicone type coating inside...

If it ran low but the light never came on, then it never lost oil pressure and the bottom end should be fine.

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#34458 - 07/11/13 02:25 PM Re: Grizzly smoking badly... [Re: dirtfan07]
DirtyDeed Offline
addict

Registered: 10/16/12
Posts: 522
Loc: Wind Gap, PA
yes, the only difference that I am aware of is the upper and throttle body is smaller on the 550. bottom end and driveline is all the same.
put a post up on GC and see what kind of responses you get. there are some real knowledgeable folks there.
_________________________
2012 Brute Force 750 EPS (stock)
2012 Grizzly 550 EPS Camo and gun racks (wife's ride)

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#34459 - 07/11/13 02:26 PM Re: Grizzly smoking badly... [Re: Wildhorse800]
DirtyDeed Offline
addict

Registered: 10/16/12
Posts: 522
Loc: Wind Gap, PA
Originally Posted By: Wildhorse800
Originally Posted By: Yamsaab
Keep in mind that the cylinder will need replated. Most bikes produced in the last 20 years have a nikasil plating. I would assume modern quads also use this technology.

The plating process can't be done by a general machine shop.


Can't say I know about this plating, but it should be able to be just bored and run without the plating. I thought it was just a silicone type coating inside...

If it ran low but the light never came on, then it never lost oil pressure and the bottom end should be fine.


I think that they went to a ceramic liner, not sure what year.
_________________________
2012 Brute Force 750 EPS (stock)
2012 Grizzly 550 EPS Camo and gun racks (wife's ride)

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#34482 - 07/12/13 06:19 PM Re: Grizzly smoking badly... [Re: DirtyDeed]
Wildhorse800 Offline


Registered: 11/04/10
Posts: 1344
Loc: Between Bedford and Canada
I see. Yeah, I don't think you can cut that....

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