Service Manual
Page 11 of 50

*NOTE* This service manual is for a NON EN10 modified engine. Whilst most of the information is relevent, there are some critical differences.
For more information on EN10 modified engines, please contact
Mick Broom at Broom Development Engineering on +44 (0)1327 353023

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Finally adjust the eccentric so that when the machine is in gear, as shown, light pressure on the quadrant gives equal movement in either direction. If the eccentric is not properly set the system will work well when changing up, but not when changing down, or vice versa.
To adjust the eccentric, hold the pin with a screwdriver and slacken the locking nut (8mm spanner). The screwdriver may then be turned up to 90° in either direction to give the correct adjustment, and the nut locked up. Do not move the pin more than this as the eccentric should be set away from the cross-over shaft.
When refitting the cover, check that the clutch push rod is in place in the mainshaft, and that the O rings on the oil feed pipes are in good condition (one in the crankcase, one in the cover). Use silicone RTV sealant around the cover joint face. Any old sealant is best removed by rubbing vigorously with a coarse cloth. NOTE:- When refitting the timing cover, the two longest screws fit where the dowels locate the cover. The shortest screws fit below these screws and the remaining screws above them. If difficult gear selection has been experienced check the condition and lubrication of the ball joints, and pedal pivot bush below the left footrest.

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