ill be benching my mc18 engine this weekend. DIY again
here's the problem havent used the bike for two weeks, yesterday i did some warm up and decided to stroll it around. suddenlly a noise came from the engine(i cant describe it, but its bad) then it stalls. kick it then it ran again and the noise is gone but a few meters it stalls and can no longer be kick start, the starter is stocked. im thinking of a sticked rings but i checked the autolube and its working properly and im planning to dismantle the engine this weekend i would like to ask for your opinions on what had just happened.
rings? or connecting rod? or any expert opinion? TIA
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You dont earn respect in one day, you earn it day by day

Wild guess the crankshaft

bearings?????
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You dont earn respect in one day, you earn it day by day

Probably but only way to find out is to open the engine.

thanks rvt. ill do that. if the buyer does not show up this weekend.
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You dont earn respect in one day, you earn it day by day

does it free off when you pull the bike back in gear so the engine turns backwards. it could be a brocken ring stuck ina transfer port or somthing that csn be remidied by just tacking the barrels off
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Honda nc23 CBR400 AERO 1986, 1990 honda NC23 Tri-Arm, 1987VFR400 NC24 Rothmans Rep, NSR250 MC16 1987, CL250s 1983. Moto guzzi zigolo 110cc 1958. Fantic 50cc 1972. Suzuki Cobra Race bike 500cc 2t 1975 , GP125 1975. Triumph T110 1954. BSA Thunderbird 1955. Ariel VB 600 1952, 1990 MuZ 125 etz.

thanks alan! ill do that! and will try to pull out the cylinders. what may be the worst case scenario?
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You dont earn respect in one day, you earn it day by day