95 500E Power Loss

whttnbrg · May 18, 2011, 04:39:37 PM

My 95 is experiencing some power loss. I have changed the oil and plugs, but it still seems sluggish. If I really get on it, it will go, but it seems that my "Sweet Spot" has come down from around 80 mph to around 65. I am running the Castrol Synthetic Motorcycle oil with NGK plugs. It just rolled 17K on the mileage. Any of you guys with the higher mileage bikes have any suggestions?

Paulcet · May 18, 2011, 08:02:32 PM

how recent was your last valve clearance check?

ryott52 · May 18, 2011, 08:17:53 PM

Could also be a partially clogged carb, is the tank rusty or has it been sitting for a while?

whttnbrg · May 18, 2011, 08:28:06 PM

Hasnt had a valve clearance check since I have had it. (Almost a year) The tank is new. I am gonna pull the air filter tomorrow night.

ryott52 · May 18, 2011, 08:37:02 PM

Good plan. Here's to hoping it's something minor and cheap

whttnbrg · May 19, 2011, 05:39:49 PM

Pulled the airbox and cleaned it, not a lot of change but a improvement. I checked the plugs, they were slightly loose. Still seems sluggish. Any more suggestions

HardcoreKeith · May 19, 2011, 06:21:56 PM

Make sure your tires aren't flat and your chain links aren't binding up. Your drive chain is probably not long for this world at 17k, by the way.

whttnbrg · May 20, 2011, 05:30:53 AM

Put a new chain on it just about 400 miles ago. The tires were replaced in Dec. Anyone in Miss or Louisiana that has done a valve clearance

ben2go · May 20, 2011, 06:34:06 PM

Sounds like a possible bad frame petcock.If you are running on PRI(prime) then you are getting a restricted fuel flow at higher speed and RPMs.It could also be a valve adjustment issue.These style carbs are sensitive to vacuum issues and a valve adjustment will solve that issue.

whttnbrg · May 21, 2011, 09:42:41 AM

Took it to the shop, and left it with a heavy sigh. The mechanic says with 17k on the odometer, it probably just needs a serious tune up ( I have never done anything more than routine maint. on it). This will be $300 bucks. Here is hoping it isnt anything more serious.

ben2go · May 21, 2011, 05:57:33 PM

Quote from: whttnbrg on May 21, 2011, 09:42:41 AM
Took it to the shop, and left it with a heavy sigh. The mechanic says with 17k on the odometer, it probably just needs a serious tune up ( I have never done anything more than routine maint. on it). This will be $300 bucks. Here is hoping it isnt anything more serious.

Keep us posted on their findings.

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95 500E Power Loss