Tightening Torques - Derbi Dirtboy 10 Workshop Manual

T T

TIGHTENING TORQUES

T I G H T E N IN G TO R QU E S
E E
NGINE ASSEMBLY NGINE ASSEMBLY
Spark plug:
Head cover screw
Head-cylinder stud nut
Head-cylinder / crankcase fixing screw
Chain-tensioning pad screw
Timing chain tensioner screw
Timing chain tensioner central screw
Camshaft pulley screw
Rocker-arm shaft and camshaft bearing screw
Rocker-arm adjusting nuts
Engine oil pre-filter cap
Oil drain cap
Flywheel nut (electric starter version)
Stator screws
Pick-up screw
Mounting bracket / crankcase (flywheel side) fixing screws
Oil pump /crankcase fixing screws
Intake manifold fixing screws
Carburettor manifold clamp screw
Starter motor fixing screw
Flywheel cover fixing screw
Transmission cover fixing screw
Oil conveying plate fixing screws
(half-crankcase transmission side)
Half-crankcase joining screws
When installing new studs, proceed as follows
7
NAME
TORQUE IN Nm
10 ÷ 15 Nm
8 ÷ 10 Nm
6 ÷ 7 + 135º+90º Nm for first fitting,
6 ÷ 7 90º+90º Nm for refitting/locking
8 ÷ 10 Nm
5 ÷ 7 Nm
8 ÷ 10 Nm
5 ÷ 6 Nm
12 ÷ 14 Nm
3 ÷ 4 Nm
7 ÷ 9 Nm
25 ÷ 28 Nm
25 ÷ 28 Nm
40 ÷ 44 Nm
2 ÷ 3 Nm
8 ÷ 10 Nm
8 ÷ 10 Nm
2 ÷ 3 Nm
7 ÷ 9 Nm
1,5 Nm
11 ÷ 13 Nm
2,5 ÷ 3 Nm
8 ÷ 10 Nm
8 ÷ 10 Nm
8 ÷ 10 Nm
6 ÷ 7 Nm + 135º + 90º
following a diagonally crosswie sequence.