Renegade 500 lowtop speed and rpm - Can-Am ATV Forum
 
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post #1 of 5 Old 05-13-2019, 08:41 PM Thread Starter
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Renegade 500 lowtop speed and rpm

So I have a 2008 Renegade 500 that seems to be suffering some sort of power loss. Last ride before winter i was climbing a larger hill and had it to the pin to just crawl up. It will climb hills but it slowly slugs its way up and it will only rev to about 6000rpm. Never had a problem like this before just the last few rides and its always been plenty powerful to take me up anything i want to climb with throttle to spare.

I have changed the spark plugs, new fuel filter, new belt, cleaned the clutches, swapped the spring out in the clutch with one from a 650 to see if that made a difference and it didnt. Air filter is clean. All vent lines are snorkeled up into the pod.

Road test it will max out at 42MPH and 6300rpm. Its not hitting top speed, that's all the way to the pin it won't go any faster or rev any higher.

In park it will rev all the way up to almost 8000rpm.

I need some ideas on what to check next? My hubby says he heard if the fuel pump has low pressure that could be the problem, but then it should only hit 6300 in park also?

I think its a clutch issue but don't know what to check next. We would love some suggestions.

2008 Renegade 500
Ricochet skids
EHS airbox lid
D2 overfenders
26" zillas on black SS108's
Driveshaft guard
Scotts reusable stainless oil filter
Dalton clutch kit
Stealth snorkels
BRP XMR CVT snorkel mod
Viper Max 3000 winch
HMF pipe
Twin Air filter
Ricochet rear rack
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post #2 of 5 Old 05-14-2019, 09:22 AM
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He's onto something, talking about the fuel pump. The BRP fuel pumps aren't known for being the most robust things out there, and yours sounds like it's falling off output.

It could still rev just fine in park/neutral because there's no load on the engine. The minimal fuel pressure that's there is sufficient to accelerate the unloaded motor. But when you're loading it up in gear accelerating, there's not enough fuel pressure output there to continue fueling the motor past a certain rpm point.

If you can monitor fuel pressure while it's operating, I'd bet you'd find the issue.

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post #3 of 5 Old 05-14-2019, 01:47 PM
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Could be fuel pump, have the pressure tested. It makes sense to still rev normal in neutral or park as theres no load on the engine therefore it doesnt take much effort to rev up.

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post #4 of 5 Old 05-14-2019, 04:03 PM
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I'll throw this out there , any of the brakes hanging up ? Smelling funny after a long run ?
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post #5 of 5 Old 05-15-2019, 02:11 PM Thread Starter
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Thanks I'll see if i can test the fuel pump pressure and go from there. Brakes are all functioning well, no sticky calipers.

2008 Renegade 500
Ricochet skids
EHS airbox lid
D2 overfenders
26" zillas on black SS108's
Driveshaft guard
Scotts reusable stainless oil filter
Dalton clutch kit
Stealth snorkels
BRP XMR CVT snorkel mod
Viper Max 3000 winch
HMF pipe
Twin Air filter
Ricochet rear rack
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