What I have learned form dirt bikes is that the head stay is a fairly important mount. If the bike starts to vibrate more then it used to, the first thing to check is to make sure that the head stay bolts are tight. One thing to remember, is that the motor is constantly trying to rotate in the motor mounts. When you have a long cylinder / head arrangement, the head stay provides a long leverage point to help stop the rotation. Generally the mount for the head stay does not have to be super beefy, but it does need to be tight. A piece of 1" square tubing would be plenty to support the head.
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2005 Hammerhead 150
170cc BBK, PnP Big valve Head, A12 Cam, Uni Filter, Custom Exhaust, 10G rollers, 1500 Contra Spring, 2000 Clutch Springs
Just added - 2007 Joyner 250 SV - Let the fun begin
4-Dirt Bikes, Baja Bug and enough toys to keep me in the garage and out of trouble.
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