Loose Allen Screws inside engine??? - Yamaha Raptor Forum
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  • 1 Post By 03LimitedEditionRaptor
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post #1 of 3 (permalink) Old 11-04-2019, 08:34 AM Thread Starter
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Loose Allen Screws inside engine???

Interesting thing happened this weekend. I was installing a new clutch on my 2003 660 and noticed four Allen screws laying in the bottom of the case just below the clutch housing. They appear to have been snapped off and there was only about 1/4 inch of thread. My first thought was from the starter clutch, so I pulled that and everything was in tact. They look just like the 6 screws that hold the starter clutch together. Any thoughts Is there any other internal parts that would also use these screws?
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post #2 of 3 (permalink) Old 11-04-2019, 01:47 PM
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Probably from the starter clutch. If your not the original owner there is no way to verify that it hasn't been tore in to.
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2003 Limited Edition Raptor
Kenz 720cc 11:1 stroker, +1 valves, Mega Cycle X-4 Cam, Sparks 6x Big Core, Keihin 35mm FCR's. 158 mains, 52 pilots, fuel screws 2 turns out.

97 Banshee
F.A.S.T. Dune Ported 4mill, CPI Inframes, Keihin PWK33's, Direct Drive Lockup. 158 mians, CEL needles second clip, #48 pilots, air scews 2.0 turns out.
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post #3 of 3 (permalink) Old 11-12-2019, 08:53 AM Thread Starter
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Thanks for the reply 2003 Limited Edition Raptor. That was also my thoughts. I was just looking for confirmation.
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