Stripped splines on drive pulley

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paulpauly7
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Re: Stripped splines on drive pulley

Post by paulpauly7 »

yip till its red hot then leave it for another 20mins then let it cool and paint with header heat proof paint
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patthesoundguy
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Re: Stripped splines on drive pulley

Post by patthesoundguy »

You may just need to adjust the idle mixture and idle speed. It may be too rich with the back pressure of the pipe, then leans out with the pipe removed. It could be gunked up as well but it might actually run and idle if you adjust the carb properly. Still a great idea to bake the pipe though, then you know for sure its clean.

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Re: Stripped splines on drive pulley

Post by Lift Kit »

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Re: Stripped splines on drive pulley

Post by Lift Kit »

Blew some carbon out afterwards, but not much. Compressed air comes hard out the other end so I know it's not plugged The idle screw was unscrewed almost all the way, after tuning, it runs great now with the muffler on and hands free. Now I just have to find time for the stupid crankshaft.
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Re: Stripped splines on drive pulley

Post by patthesoundguy »

That is some nice red in the dark there :-) great pics :-) now you know the motor is not a not a lost cause once you get the pulley all fixed up :-)

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Dude! Ya Can't Fix Stupid!
84 Spree stock
84 Spree Dio AF18E MHR Cylinder Arrow Pipe 28mm OKO
80 Express, 47mm DR BBKit, Weak Ends Intake, Boyesen Dual stage reeds, 19mm Delorto carb, MLM pipe
79 Express
85 Aero 80 stock
84 elite 125 stock
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Re: Stripped splines on drive pulley

Post by Lift Kit »

I got the pulley fixed up. I put in a thicker washer between the nut and the outer pulley. This let me squeeze the pulley faces hard together. There's JB weld in the splines and between each face being compressed by the nut.

The nut alone holds it so tight that I test drove it around the yard without even waiting for the JB to dry! Maybe a bad decision, but it didn't come apart, and I couldn't resist :D

Thanks to everybody for the tips.

In the service manual, the part diagram for the drive pulley shows no washer between the nut and outer pulley. Is this right? If so, somebody else has had it apart before and added a washer. The washer seemed to be ground down by friction, too. I may be the second person to attempt this repair. I know for a fact that the crankcase cover has been off before because the original gasket is gone and replaced by what looks like sillicone.
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Re: Stripped splines on drive pulley

Post by patthesoundguy »

Right on I hope it holds for ya, my fingers are crossed ;-)

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Dude! Ya Can't Fix Stupid!
84 Spree stock
84 Spree Dio AF18E MHR Cylinder Arrow Pipe 28mm OKO
80 Express, 47mm DR BBKit, Weak Ends Intake, Boyesen Dual stage reeds, 19mm Delorto carb, MLM pipe
79 Express
85 Aero 80 stock
84 elite 125 stock
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