Question about Motorcycles
Are you using good quality oil ? when i raced two strokes i used belray race oil and it ran really clean ! more money but no problems ! is the mix correct as it sounds also that it is choking on the amount ? what is the colour of the plug ? it should be dark brown and not too much black oil residue ! are the carb settings correct ? what compression do you have , 100psi or above is good but less than is bad for two strokes ! ??
Posted on Apr 14, 2014
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Posted on Jan 02, 2017
Does it have a stock pipe,carb,any modifications! If its stock,I would put a new ring and piston in it,it seems like your getting a lot of blowby,also make sure your air filter is clean. It would help if you used an iridium spark plug.
Posted on Jan 21, 2009
remove the fuel tak, the plug is under the rubber cap right on the top of the engine. it is quite deep down, you will need an extension on the plug spanner
Posted on Feb 11, 2009
Have you checked the float level in the float chamber?
I guess you may have to reset the float pin adjustment, its allowing more gas to pass through thn required and thus the overflow!
Not bad too, when you are working on the float assembly take the opportunity to blow out the fuel line from petcock to the carburator via the seat for the float pin,any foreign particals there would stop the float pin to seal up and thus overflow.
Fit in an inline fuel filter , this will help keep out the dirt or whatever.
Hope this helps.
Knight (Yamaha Seca XJ750A 1981)
Posted on Feb 13, 2009
there should be a screw or a larg looking bolt on the bottom of the float bowl (carb) remove it and it will drain use a rag to catch it and drain your tank add fresh gas (if it dose'nt run right you may have to clean the carb)
Posted on Apr 04, 2009
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