86 SRV540 Bogs -FRUSTRATED $%@#%#$% - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 10-18-1999, 08:19 PM
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86 SRV540 Bogs -FRUSTRATED $%@#%#$%

Hi All,

Friend has a 1986 Yamaha SRV-540 and it boggs sometimes around 300 rpm... it has a new CDI, rebuilt carb, new reeds.

I have no Idea what it can be... when it doesn't Bogg the thing pops Wheelies.. (lifts the front skis) ... Its Frusterating.. its it the
Coil? Fuel Pump ? Some electric pick up on the Crank ? Please Help!!!

-UZI

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post #2 of (permalink) Old 11-02-1999, 09:33 PM
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Re: 86 SRV540 Bogs -FRUSTRATED $%@#%#$%

I feel your pain. I owned an 85 SRV that drove me crazy as well. Always worse after engine comes up to running temperature. Fuel or ignition??? Ignition or fuel??? I finally was told (after I gave the damn thing away)that these machines are prone to the following problem. Electrical ground to chassis is transmitted thru the motor mounts. After a while that ground becomes unreliable due to corrosion etc. Solution: Run a reduntant ground strap from the engine (external coil mount) directly to the frame. I wasn't ever able to prove this for myself, but try it. It's cheap and it's easy. E-mail me at [email protected] and let me know if it worked for you.

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