I recommend after you get it running to go easy for the first ride. On the 183cc motor I ran it for ten/twenty minuets at 1/4 to 1/2 and then let it cool down all the way. I did that 2 times and then let it rip but still didn't go wide open for long periods of time until I got about a hour on the motor. Maybe Tom might have more info on motor break in, I would do this on my 68 chevelle every time I put a motor in but would go wot as soon as possible to feel the power.
My motor is on the bench waiting for me to put the head on after replacing the case gaskets that blew out. I also got a 13/43 internal gear set to replace the 13/40 gears to get a little more low end with the 31t sprocket. The 39t has to go, way to much low end for the desert. I just need to go by work and press the gear on but need to wait till 4 or later, if I go by to soon they will put me to work.
Cant wait to hear the results of the deeper sound of the 62mm bore.
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