TM RACING 250 EN, Workshop Manual

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33
12
5
13
6
4
22
24
23
26
25
56 mm
ENGINE DISASSEMBLY
insert the lever (5) into the pin (12).
With two fingers hold the valve (13) in the fully open position, insert an
Allen key (22) on the screw (6) and screw the nut (4).
2.10.4 Valve height adjustment in closed position
With the valve completely closed, the distance between the upper surface
of the cylinder (23) and the chamfered part of the valve (24) (Cutting edge)
must be 56 mm; for the adjustment loosen the nut (25) and act on the
screw (26), having reached the measure of 56 mm tighten the nut (25).