Maintenance And Tune-Up Procedures; Cylinder Head Bolts And Nuts, Cylinder Nuts Exhxaust Pipe Bolts And Muffler Connections; Cylinder Heat And Cylinder; Exhaust Pipe And Muffler - Suzuki DR350 Service Manual

2-3 PERIODIC MAINTENANCE AND TUNE-UP PROCEDURES
MAINTENANCE AND TUNE-UP
PROCEDURES
This section describes the servicing procedures for each item
of the Periodic Maintenance requirements .
CYLINDER HEAD BOLTS AND NUTS,
CYLINDER NUTS, EXHAUST PIPE BOLTS AND
MUFFLER CONNECTIONS
Tighten Initial 5 Hours and Every 30 Hours
CYLINDER HEAD AND CYLINDER
• Remove the frame covers, seat and fuel tank .
• Disconnect the spark plug cap and breather hose.
• Disconnect the de-comp o cable. IRefer to page 3· 2 .)
• Remove the upper side of engine mounting bolts and
cylinder head cover. IRefer to pages 3·3 and 3 -7 .1
• First loosen and retighten the four bolts
CD
and two nuts
®
to the specified torque with a torque wrench sequen-
tially in diagonally with the engine is cold.
Tightening torque
Bolt
<D:
35 - 40 N -m 13_5 - 4_0 kg-m , 25.5-29.0 Ib-It)
Nut @ : 23 - 27 N 'm 12.3 - 2 .7 kg-m. 16.5 - 19. 5Ib-It)
• After firmly tightening the cylinder head bolts and nuts.
tighten the two cyli nder nuts @ to the specified torque .
Tightening torque
Nut @ : 23 - 27 N 'm 12.3 -2.7 kg-m. 16.5 - 19.5 Ib -ft!
• When installing the cylinder head cover. apply SUZUK I
80ND No. 12078/ 121 5 to the mating suriace.(Refer to
page 3-45. )
EXHAUST PIPE AND MUFFLER
• Tighten the exhaust pipe bolts @). muffler connection bolt
®
and muffler mounting bolts
®
to the specified torque.
TIghtening torque
Bolt @ :18 - 28 N ' m 11.B - 2.8 kg-m . 13.0 - 20.0 Ib-It)
Bolt ®: 18-28 N'm 11.8- 2 .B kg -m. 13.0 - 20.0 Ib-It!
Bolt @ :23-28 N'm 12.3-2.B kg-m. 16.5 - 20.0 Ib-It)