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 Topic: MC 21 SP running issues 







Johnnymac
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MC 21 SP running issues

Johnnymac » Sun Jul 25, 2010 6:54 pm

Hi All been out with Les on the no 2 bike today done 100 miles no problems at all, the second bike has M box deristricter and JHA cans {thank you} and pulls cleanly right through the rev range,I went out for a ride on the no 1 bike which starts and runs sweet as on both cylinders on low revs,as soon as you take off it goes down on the top cylinder, if you close the throttle it will on half throttle kick in on both and take off revving fine then start missing and holding back i have cleaned both carbs throughly, new plugs and both of the power valves look to be operating ok,the exhaust gets hot on idle ,any comments will gratefully be welcomed,thankyou,jonmac
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