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#30420 - 02/24/13 04:22 PM Razor has no punch
Tim D Offline
member

Registered: 01/02/12
Posts: 101
Loc: Allegheny County
Fellow ATV'ers and RZR riders:

2009 rzr 800 standard, doesn't respond to full throttle - slow to get up to speed. Poor throttle response and loss of power on hills. Recently ran around with three other rzr's and some hills I couldn't get up that they went up easily. Also couldn't keep up with them on the trails. On long straight always I eventually get it up to 55mph. Some backfiring.

A few months ago I cleaned the air cleaner housing, throttle body, replaced plugs even though the plugs seemed fine (not a lot of carbon), replaced air filter, changed oil, greased all zerks while I was at it, drained all the gas and filled up with fresh. Didn't change anything, and again on the trail today (to see how it ran in real life situation) it still ran very poorly.

Two questions - any idea what else I can try, and can anyone recommend a good rzr mechanic? There is a dealer close to me in Murrysville (withholding name) that is really expensive for service. Looking for another alternative if I am at the end of my skill level and need an expert to look at it.
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#30421 - 02/24/13 04:59 PM Re: Razor has no punch [Re: Tim D]
Gary Offline
V.P. - Board Of Directors

Registered: 07/25/11
Posts: 1096
Loc: Cogan Station Pa
Couple of things to check Tim
1. Check you fuel pump. Should be 39 + or - 2 psi
2. Check your throttle free play to make sure your getting full throttle
3. Pull your air filter and get light and look inside your throttle body to see if it's clean.
4. check your belt and clutches

Shoot me a PM if you need to.


Edited by Gary (02/25/13 09:50 AM)
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#30424 - 02/24/13 05:09 PM Re: Razor has no punch [Re: Gary]
Tim D Offline
member

Registered: 01/02/12
Posts: 101
Loc: Allegheny County
Thanks Gary.

I did a few web searches in the meantime, and keep coming up with TPS adjustment for my symptoms. That sound like a possibility to you in addition to the other things you mentioned?

I neglected to mention that i did check throttle adjustment - it was good but adjusted a little bit anyway in order to get that instant jump.

I have the service manual on disc, so I'll check how to determine the fuel pressure, and probably wouldn't be a bad idea to replace the belt anyway. I think it is original, and it has 1900 miles on it so it wouldn't be a bad thing to replace it anyway.

Thanks again
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#30429 - 02/24/13 05:28 PM Re: Razor has no punch [Re: Tim D]
Gary Offline
V.P. - Board Of Directors

Registered: 07/25/11
Posts: 1096
Loc: Cogan Station Pa
TPS could be the culprit, are you getting a code 51 I believe is what it is.
I'd still lean towards fuel pump. Back fire and loss of power are good signs. If you do need one don't spend a fortune on a polaris pump. I'll get you the part number for a pump at the auto store for a 1/4 the price.

Airtex E8335 any local auto parts store should have one


Edited by Gary (02/24/13 05:35 PM)
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XP 900 TURBO RZR
"Those who beat their swords into plowshares usually end up plowing for those who kept their swords." -Benjamin Franklin

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#30430 - 02/24/13 06:16 PM Re: Razor has no punch [Re: Gary]
Tim D Offline
member

Registered: 01/02/12
Posts: 101
Loc: Allegheny County
Great. I will let you know.

Thanks,
Tim
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#31075 - 03/11/13 03:24 PM Re: Razor has no punch [Re: Gary]
Tim D Offline
member

Registered: 01/02/12
Posts: 101
Loc: Allegheny County
OK you were right, pressure from fuel pump is 25. You did mention a replacement pump available from Pep-boys or one of the other automotive stores, so thank you for that. Question though: I tried removing the pump and got 6 of the 8 screws out very easily. There are 2 screws side by side that will not come out, they just spin around. I tried lifting up the pump housing with a slotted screwdriver while turning at the same time - no luck. Is it just stubborn? I don't want to be overly aggressive with it an risk ruining the fuel tank.

The screws seem to be stripped, but yet they are tight. When trying to remove them the screw heads turn but don't back out at all. They just turn and turn and turn. And they are not loose enough to pry up and out, in fact they are not loose at all. Weird.
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#31089 - 03/11/13 06:45 PM Re: Razor has no punch [Re: Tim D]
Gary Offline
V.P. - Board Of Directors

Registered: 07/25/11
Posts: 1096
Loc: Cogan Station Pa
Hey Tim. There are 6 screws that hold the pump in. Try to tilt it from the passenger side towards the drivers side. Make sure you don't damage the float or pick up screen.
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XP 900 TURBO RZR
"Those who beat their swords into plowshares usually end up plowing for those who kept their swords." -Benjamin Franklin

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#31317 - 03/16/13 07:05 PM Re: Razor has no punch [Re: Tim D]
Tim D Offline
member

Registered: 01/02/12
Posts: 101
Loc: Allegheny County
OK, got the new fuel pump and installed it into the tube housing. I have a yellowish bushing left over, did not see where it came from and don't know where it goes. Attaching two pictures, the new pump assembled into the housing with the old pump at the bottom of the picture, and a second picture showing the bushing that is looking for a home.

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#31320 - 03/16/13 09:08 PM Re: Razor has no punch [Re: Tim D]
Yamsaab Offline
journeyman

Registered: 02/26/13
Posts: 86
Loc: Dillsburg, PA
Is it possible it came off the new fuel pump? I know alot of times they come with parts that you don't need.

If your sure it came from the rzr then someone will chime in.

It looks like removed it but make sure you remove the caps and stuff they have on the fuel pumps. When I replaced the pump in my saab I didn't realize I was suppose to remove the cap thing on the intake side of the pump. That sucked.
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#31332 - 03/17/13 09:07 AM Re: Razor has no punch [Re: Tim D]
Gary Offline
V.P. - Board Of Directors

Registered: 07/25/11
Posts: 1096
Loc: Cogan Station Pa
PM sent
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XP 900 TURBO RZR
"Those who beat their swords into plowshares usually end up plowing for those who kept their swords." -Benjamin Franklin

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#31338 - 03/17/13 11:26 AM Re: Razor has no punch [Re: Yamsaab]
Tim D Offline
member

Registered: 01/02/12
Posts: 101
Loc: Allegheny County
Good point! Thanks!
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#31346 - 03/17/13 01:07 PM Re: Razor has no punch [Re: Tim D]
Tim D Offline
member

Registered: 01/02/12
Posts: 101
Loc: Allegheny County
OK, first off let me say thanks to everyone, especially Gary. Got the new pump in, took it for a test ride, and I couldn't remember how fast it was! It has been running so poorly for so long, I literally forgot how it was SUPPOSED to run, and now I am very happy!

Polaris sells the fuel pump assembled to the tank only, you cannot buy just the pump. They want about $600.00, plus an hour or more to install. I got the same pump from auto parts store for $71.00, fumbled with some difficult mounting bolts for a couple of days, and got it running like a very fast top again. So, this forum, and the people on it, have saved me about $600.00.

All I can say is "thanks" and promise to help others in a similar way if I can!

Wat a great forum...
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#31351 - 03/17/13 01:48 PM Re: Razor has no punch [Re: Tim D]
Lipcurl Offline
addict

Registered: 08/07/10
Posts: 456
Loc: Franklin county
great to hear !!!!
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#31353 - 03/17/13 02:14 PM Re: Razor has no punch [Re: Tim D]
Yamsaab Offline
journeyman

Registered: 02/26/13
Posts: 86
Loc: Dillsburg, PA
Yep I think it's ridiculous companies only sell the whole assembly like that. Saab pulls the same garbage. 700 bucks for a whole unit or for about 70 some dollars you can get a drop an aftermarket replacement pump. Glad you got it fixed.

Seems kinda odd thought. I always thought fuel pumps just failed and stopped working completely.
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#31355 - 03/17/13 02:24 PM Re: Razor has no punch [Re: Tim D]
Tim D Offline
member

Registered: 01/02/12
Posts: 101
Loc: Allegheny County
I agree, that's why I never thought it was the pump in the first place. For a year I was working on the throttle body, ignition, plugs, the air intake, the exhaust, everything BUT the fuel pump. Gary turned me on to the pump, sure enough the pressure was a pretty static 25 PSI, should be 39.

The other thing that is strange is that the fuel pump is a pretty commoneoblem on RZRs. Mine had about 2000 miles on it, many other people I chatted with had similar mileage. However in a car or truck fuel pumps last 100000 miles or more. Weird.
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