Search found 12 matches
OUPS! I should have check before sending my post!! I was wrong and the picture is correct (as R100 answered yet). in this phase(punch mark on the sproket at 12 o'clock)), the exhaust valve is near to be closed and the intake begin;one turn (180°) more at the rotor and "F" is ignition right cylinder....
Thanks Tim Clear,at least ! my manual book (CB72/77) says: intake open 5° BTDC and close 30°ABDC.and yours open 10°BTDC and close 25°ABDC. Does it mean wrong datas or there are different camshafts, according series or year?perhaps just because the tolerance is + or- 5°... anyway my measures have to ...
thanks Tim capellino's gear is a good idea. First ,I have to check again all points and try 1 tooth more. any idea concerning my last question " check at 1.1mm in case of lift"? .thanks again. I'll come back next month on the forum to give you last news....(my bike is in my workshop south of France ...
thank you Gman, Cknight and Tim for these precious and precise answers! Tim, unfortunately I didn't know your "special fixture" !thus my central cam gear (crank side) is pressed in bad position 1/2 tooth . I can understand now why it was so difficult to try to fix the cam chain to the upper cam gear...
thanks for your answers Tim you're right but no"punch mark" on the cam gear (crank side) so the maximum error is half tooth on the cam gear ;do you think that can explain the missing 25°compression on the rotor marks?. Chase, the ignition timing is ok (checked with stroboscop on the rotor marks)and ...
camshaft, low compressionhi every body , and G.man and loud mouse... 8 months later... After opening motor and checking oil circuit and pump...nothing seems to be wrong.however I changed pump packing and gear, rotating filter shaft and decided to try a great experience : bought a new crank assy (but CL72 ,360°) and transfor...
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