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Old August 26th, 2019, 05:13 PM   #22
DannoXYZ
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Name: AKA JacRyann
Location: Mesa, AZ
Join Date: Dec 2011

Motorcycle(s): CB125T CBR250R-MC19 CBR250RR-MC22 NSR350R-MC21 VF500F CBR600RR SFV650 VFR750F R1M ST1300PA Valkyrie-F6C

Posts: A lot.
MOTY - 2018, MOTM - Nov '17
Quote:
Originally Posted by moviepilot View Post
I was just going to ask , . .Do you think it might be worth putting a split washer or one of those (wedge-lock washers) on the bolt??
Quote:
Originally Posted by moviepilot View Post
Split lockwashers actually don't work. I'm not aware of any major auto or bike manufacturer using them any more.

I haven't had any issues on my street bike with blue Loctite and serrated flange nut. But on my race bike, I've had to retorque those engine bolts every month! So I went with one drop of red Loctite, Nord-lock washer and distorted-thread flange locking nut. Haven't had any issues in past 2-years. Can actually loosen nut with breaker-bar since one drop of red isn't very permanent.

Reason torque is so low is because of mounting-ears on engine. Too much will squeeze them together and break them off engine. Now, if they had spacer-tube in between ears like between hub-bearings, then we'd be able to crank them up to proper 47-lb*ft torque for that 10mm bolt.
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