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V100 Valve shims

Stella

Stella

Tuned and Synch'ed
GT Contributor
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Sault Ste Marie
The valve shim size is 8.80mm diameter, same as Aprilia RSV4,just waiting to find out if the HotCams 8.90 shims will fit as they do in the Aprilia.
UPDATE : HotCams 8.90mm shims DO fit the V100
 
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Interested if you found out if the Hotcams kit fit the Mandello.
Thanks!
 
Just for a novice…what is the purpose of those thicker chims?
 
GTM® said:
revzilla.com/common-tread/why-do-bikes-use-shim-under-bucket-valve-adjusters
Click to expand...
Aha, not as strange as I was lead to think.
Thanks.
They just intentionally open the gap a tad to make it safer for the components when engine is pushed hard.
Oh well, I don’t know the available standard shim sizes but it’s essentially just a matter of intentional valve adjustment.
Sounds like these specific shims are in between standard dimensions.
 
If the Shims are too small, the gap is too big and the cam might wear in bad ways, and the bike won't run very well either. If the shim is too big, the valve might not close and then you will get a BURNT VALVE and it will require a new valve and a top end head job. Pricey fix. So this is really important and we need to make sure the valve clearances are within the specs for the correct valve. Intake on the tank side and exhaust away from the tank. The shop manual does cover it very well, but unlike some of the older air-cooled Guzzis, this is a tougher job and requires some special tools. Possible back yard mechanic job, but not an easy one.
 
Ziggy49 said:
Interested if you found out if the Hotcams kit fit the Mandello.
Thanks!
Click to expand...
Yes, the HotCams 8.90mm shims fit the V100 but the kit only goes up to 2.60mm shims and my bikes shims are all in the 2.75-2.85 range so the HotCams kit is useless to me.check out my other post here to see how to swap shims WITHOUT removing the cams or front cover and not needing any special tools.
 
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