Yamaha Torque Specs

TR1 Engine

Cylinder head bolt

1st: 25 N-m (2.5 kgf-m, 18.4 lb-ft)

2nd: 25 N-m (2.5 kgf-m, 18.4 lb-ft)

3rd: 180°

Camshaft cap bolt –

10 N-m. (1 .0 kgf-m, 7.4 lb-ft)

Connecting Rod-

1st: 20 N-m (2.0 kgf-m, 14.8 lb-ft) 2nd: 120°

Inner crankcase bolts

1st: 15 N-m (1 .5 kgf-m, 11 .1 lb-ft) 2nd: 15 N-m (1.5 kgf-m, 11.1 lb-ft). 3rd: 70°

Crankcase outer bolts

Crankcase bolt (M6 x 52 mm) “1” 12 N-m (1 .2 kgf-m, 8.9 lb-ft)

Crankcase bolt (M6 x 45 mm) “2” 12 N-m (1 .2 kgf-m, 8.9 lb-ft)

Crankcase bolt (M6 x 85 mm) “3” 12 N-m (1 .2 kgf-m, 8.9 lb-ft)

Crankcase bolt (M6 x 55 mm) “4” 12 N-m (1 .2 kgf-m, 8.9 lb-ft)

Crankcase bolt (M8 x 70 mm) “5” 24 N-m (2.4 kgf-m, 17.7 lb-ft)

Balancer weight bolt 35 N-m (3.5 kgf-m, 25.8 lb-ft)

Camshaft cap bolt “1”. 16 Nm (1.6 kgf·m, 11.8 ft·lb)

Cylinder head bolt “5” (M12). 1st: 55 Nm (5.5 kgf·m, 40.6 ft·lb) 2nd: 90°

Connecting rod bolt. 1st: 51 Nm (5.1 kgf·m, 37.6 ft·lb) 2nd: 90°

Crankcase bolt “2” 1st: 30 Nm (3.0 kgf·m, 22.1 ft·lb) 2nd: 90°