APRILIA TUONO R FACTORY 2007 Service Station Manual page 158

Engine
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Take out the intermediate gear.
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Collect the washer.
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Remove the timing chain.
REAR CYLINDER
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Remove the rear cylinder.
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Remove the alternator.
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Remove the movable chain tensioner pad.
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Mark the timing chain with a colour dot so as to refit it in the same direction of rotation.
•
Take out the intermediate gear.
•
Collect the washer.
ENG - 158
TUONO R_FACTORY