I think the dealers have a technical bulletin that addresses starter adjustment using shims. Mine has been 100% since new. I also put a new Shorai lightweight battery with more cold cranking amps, and it spins up even quicker. Is your battery in good shape?
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'11 Husky CR150, '11 GasGas XC 300-E, '11 Kawasaki KX250F, '71 Hodaka ACE 100B+
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