2000 Yamaha YFM400FWA(M) Factory Service workshop Manual, Page 35Get this manual
MAINTENANCE SPECIFICATIONS CHASSIS
Item Steering system: Steering bearing type Front suspension: Shock absorber travel Fork spring free length Spring fitting length Spring rate Stroke Optional spring Rear suspension: Shock absorber travel Spring free length Spring fitting length Spring rate Stroke Optional spring Swingarm: Free play limit Standard Bushings (top) Ball bearing (bottom)
106 mm (4.17 in) 317.5 mm (12.50 in) 256.5 mm (10.09 in) 14 Nmm (1.43 kgmm, 79.94 lbin)106 mm (04.17 in) No 130 mm (5.12 in) 319 mm (12.56 in) 285.5 mm (11.24 in) 31.4 Nmm (3.20 kgmm, 179.29 lbin)130 mm (05.12 in) No -