MAINTENANCE
4-2
MAINTENANCE
SERVICE INFORMATION
GENERAL
• Place the scooter on a level ground before starting any work.
• The exhaust contains poisonous carbon monoxide gas that may cause loss of consciousness and may lead to death.
Run the engine in an open area or with an exhaust evacuation system in an enclosed area.
SPECIFICATIONS
ITEM SPECIFICATIONS
Throttle grip freeplay 2 – 6 mm (0.08 – 0.24 in)
Spark plug Standard CR7EH-9 (NGK), U22FER9 (DENSO)
For extended high speed riding CR8EH-9 (NGK), U24FER9 (DENSO)
Spark plug gap 0.80 – 0.90 mm (0.031 – 0.035 in)
Valve clearance IN 0.16 ± 0.02 mm (0.006 ± 0.001 in)
EX 0.25 ± 0.02 mm (0.010 ± 0.001 in)
Recommended engine oil API classification: SG or higher (except oils labeled
as energy conserving on the circular API service
label)
Viscosity: SAE 10W-30
JASO T 903 standard: MB
Engine oil capacity After draining 0.7 liter (0.7 US qt, 0.6 Imp qt)
After disassembly 0.8 liter (0.8 US qt, 0.7 Imp qt)
Drive belt width Service limit: 17.5 mm (0.69 in)
Recommended final reduction oil API service classification: SG or higher
(except oils labeled as energy conserving on the cir-
cular API service label)
Viscosity: SAE 10W-30
JASO T 903 standard: MB
Final reduction oil
capacity
After draining 0.10 liter (0.11 US qt, 0.09 lmp qt)
After disassembly 0.12 liter (0.13 US qt, 0.11 lmp qt)
Rear brake lever freeplay 10 – 20 mm (0.4 – 0.8 in)
Recommended brake fluid DOT 3 or DOT 4
Clutch lining thickness Service limit: 2.0 mm (0.08 in)
Cold tire pressure Driver only Front 175 kPa (1.75 kgf/cm
2
, 25 psi)
Rear 200 kPa (2.00 kgf/cm
2
, 29 psi)
Driver and passenger Front 175 kPa (1.75 kgf/cm
2
, 25 psi)
Rear 225 kPa (2.25 kgf/cm
2
, 33 psi)
Tire size Front 90/90 – 12M/C 44J
Rear 100/90 – 10M/C 56J
Tire brand CHENG SHIN Front C-922
Rear C-922
IRC Front MB60
Rear MB47
Minimum tire tread depth Front To the indicator
Rear To the indicator
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