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HomeAircraftHelicopterFuel-Helicopters New or Limited ActivityJS › V2 90 clutch alignment????
01-24-2010 01:45 PM  8 years agoPost 1
heli-cuzz

rrElite Veteran

Pittston, Pa. USA

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Hi to all.
My question is....
Has anybody had to shim the engine to properly align the clutch assembly?
I'm installing a YS 91st and the engine had to be shimmed approximately 1mm forward to properly align the clutch assembly. I tried without the shims and improper alignment was easily noticeable, also the main gear had a severe bind when being spun by hand.

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01-25-2010 06:56 AM  8 years agoPost 2
pnoy_helista

rrApprentice

Vallejo,CA

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I have put washers between the engine and engine mount to correct the clutch alignment on my TZ90.

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01-25-2010 12:38 PM  8 years agoPost 3
heli-cuzz

rrElite Veteran

Pittston, Pa. USA

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Thanks, pnoy helista.
I did the same with a 1mm washer. I asked a friend that modifies and races nitro truggies. He said to use a full length shim to reduce the risk of breaking the crankcase motor mount from vibrations. I bought a piece of K&S flat metal from my LHS to make a full length motormount shim.

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01-26-2010 01:44 AM  8 years agoPost 4
pnoy_helista

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Vallejo,CA

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Thanks for the tip heli-cuzz. I'll do the full length shim mod when I have time to do it.

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