Gear Assembly; Transmission; Bearings; Seals - Ossa TR280i Workshop Manual

5.7 GEAR ASSEMBLY

Check the state of the shift drum and the possible wear on the gear forks. The minimum thickness on
the contact part with the moving gears is 2'55mm

5.8 TRANSMISSION

Replace sprockets and chain if the chain has 4 mm of play between the sprocket teeth.

5.9 BEARINGS

Check their lateral play and smooth rolling.

5.10 SEALS

Check the state of the seal lips, to make sure the wear has not made them flat.
5.11 SPARK PLUG
Ensure it is tightened to the recommended torque (see page 18)
5.12 ENGINE OIL
Use 350 cm3 of Gear Extreme 75w oil. Change after first ride and every 30 hours of use.
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