Suzuki RM-Z450 - Crankcase Breather Hose; Engine Idle Speed; Fuel Hose

PERIODIC MAINTENANCE 2-19
ENGINE IDLE SPEED
• Adjust the throttle cable play. (!2-17)
• Warm up the engine.
NOTE:
Make this adjustment when the engine is hot.
• Connect the multi-circuit tester or electric tachometer to the
high-tension cord.
" 09900-25008: Multi-circuit tester set
• Start the engine, turn the starter knob/idle screw

1 and set
the engine idle speed as follows.
# Engine idle speed: 2 000 ± 100 r/min
CRANKCASE BREATHER HOSE
• Inspect the crankcase breather hose for damage, clogging
and bend. If any defects are found, the breather hose must be
replaced.
FUEL HOSE
• Inspect the fuel hose for damage and fuel leakage. If any
defects are found, the fuel hose must be replaced.
• Replace the fuel hose every four years.