Yamaha MT-03 Service Manual

Also see for MT-03: Owner's manual Owner's manual Owner's manual

2-12CHASSIS SPECIFICATIONSFront suspensionSuspension type Telescopic forkFront fork type Coil spring/oil damperFront fork travel 130.0 mm (5.12 in)SpringFree length 376.0 mm (14.80 in)Limit 368.0 mm (14.48 in)Installed length 365.0 mm (14.37 in)Spring rate (K1) 7.38 N/mm (42.13 lb/in) (0.75 kg/mm)Spring stroke (K1) 0-77.0 mm (0-3.03 in)Spring rate (K2) 11.82 N/mm (67.49 lb/in) (1.20 kg/mm)Spring stroke (K2) 77.0-138.0 mm (3.03-5.43 in)Optional spring available NoFork oilRecommended oil Fork oil 10W or equivalentQuantity (each front fork leg) 570.0 cm 3 (19.27 US oz) (20.06 Imp.oz)Level (from the top of the inner tube,with the inner tube fully compressed,and without the fork spring) 95.0 mm (3.74 in)Inner tube outer diameter 43.0 mm (1.69 in)Inner tube bending limit 0.2 mm (0.0079 in)Rear suspensionSuspension type SwingarmRear shock absorber assembly type Coil spring/gas-oil damperRear shock absorber assembly travel 51.0 mm (2.00 in)SpringFree length 180.0 mm (7.08 in)Limit 165.5 mm (6.51 in)Installed length 170.0 mm (6.69 in)Spring rate (K1) 120.00 N/mm (685.20 lb/in) (12.24 kg/mm)Spring stroke (K1) 0-20.0 mm (0-0.78 in)Spring rate (K2) 210.00 N/mm (1,199.10 lb/in) (21.42 kg/mm)Spring stroke (K2) 20.0-51.0 mm (0.78-2.00 in)Optional spring available NoStandard spring preload gas/air pressure 1,215.9 kPa (172.9 psi) (12.0 kg/cm 2)SwingarmFree play (at the end of the swingarm)Radial 1.0 mm (0.04 in)Axial 1.0 mm (0.04 in)Drive chainType/manufacturer 520 ZRA/REGINA CHAINLink quantity 112Drive chain slack 40.0-50.0 mm (1.57-1.97 in)Maximum 15-link section 240.5 mm (9.46 in)