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Old July 11th, 2015, 02:04 PM   #1
Bob Marshall
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Crankshaft rotational direction

Is the crankshaft rotational direction clockwise or counterclockwise on a 2008 ex250? Thanks
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Old July 11th, 2015, 02:22 PM   #2
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It depends on from which side you are looking.
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Old July 11th, 2015, 02:26 PM   #3
Bob Marshall
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From the flywheel side where the ign timing marks are
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Old July 11th, 2015, 03:46 PM   #4
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Quote:
Originally Posted by Bob Marshall View Post
Is the crankshaft rotational direction clockwise or counterclockwise on a 2008 ex250? Thanks
Turn the crankshaft only counter-clockwise.
You can rotate it using a tool via the plug on the left cover of the engine.

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Old July 11th, 2015, 05:08 PM   #5
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think of it this way, on nearly every 4 stroke engine, the exhaust end (front) pulls from top to bottom. so if you're on the left hand (clutch side) of the bike, its counter clockwise. if you're on the right hand (throttle side) its rotating clockwise.
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Old May 14th, 2022, 07:16 AM   #6
bogiejr
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Crank rotation

Crazy, because the book incorrectly states to rotate it clockwise. Scary!
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Old May 14th, 2022, 12:36 PM   #7
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Old mechanic here. If direction of rotation is unclear, dont dick around with timing.
Chain tensioner is on the side where chain travels up, the other side is the pulling side.

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Old May 15th, 2022, 08:38 PM   #8
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Very good point!
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