Comments on: Motor scooter engine trouble? http://tm-scootermania.com/scooter-talk/motor-scooter-engine-trouble.php Hottest Scooters At The Best Prices Fri, 02 Apr 2010 14:39:49 +0000 hourly 1 http://wordpress.org/?v=3.2.1 By: Gort http://tm-scootermania.com/scooter-talk/motor-scooter-engine-trouble.php/comment-page-1#comment-141 Gort Sun, 31 Aug 2008 22:16:54 +0000 http://tm-scootermania.com/maintenance-repairs/motor-scooter-engine-trouble.php#comment-141 Check intake and exhaust valve lash on a cold engine. Insufficient clearance may be causing improper valve seating and loss of compression. Sometimes hard to detect, but also check carb to head manifold for cracks and suction leaks . . which would cause a too lean running condition. Check intake and exhaust valve lash on a cold engine. Insufficient clearance may be causing improper valve seating and loss of compression.

Sometimes hard to detect, but also check carb to head manifold for cracks and suction leaks . . which would cause a too lean running condition.

]]> By: gdwrnch40 http://tm-scootermania.com/scooter-talk/motor-scooter-engine-trouble.php/comment-page-1#comment-140 gdwrnch40 Sun, 31 Aug 2008 02:41:20 +0000 http://tm-scootermania.com/maintenance-repairs/motor-scooter-engine-trouble.php#comment-140 Try rejetting the carb to a bigger jet.Is the air filter clean?Are you at a higher altitude?Is the exhaust stock?The plug could be a step or two in the hot range.Check the float adjustment to make sure the bowl is full. Try rejetting the carb to a bigger jet.Is the air filter clean?Are you at a higher altitude?Is the exhaust stock?The plug could be a step or two in the hot range.Check the float adjustment to make sure the bowl is full.

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