Tuneup Specifications
GXV630/660/690
ITEM
SPECIFICATION
Spark plug gap
(0.028–0.031 in)
Idle speed
1,400±150 rpm
Valve clearance
IN: 0.08±0.02 mm
(cold)
EX: 0.10±0.02 mm
Other
specifications
Quick Reference Information
Fuel
Unleaded gasoline (Refer to page 7).
U.S.
Except
U.S.
Engine oil
SAE 10W-30, API SJ or later, for general use.
Refer to page 7.
Spark plug
ZFR5F (NGK)
Maintenance Before each use:
• Check engine oil level. Refer to page 7.
• Check air filter. Refer to page 9.
First 20 hours:
Change engine oil. Refer to page 8.
Subsequent:
Refer to the maintenance schedule on page 6.
MAINTENANCE
0.7–0.8 mm
Refer to page 10.
See your
authorized
Honda dealer
No other adjustments needed.
Pump octane rating 86 or higher
Research octane rating 91 or higher
Pump octane rating 86 or higher
Wiring Diagrams
2.7 A Charge Coil Type
17 A Charge Coil Type
ENGLISH
IGN GND BAT LO
ST
OFF
ON
o
o
o
o
START
o
o
o
o
o
Bl
Black
Br Brown
Y
Yellow O
Orange
Bu Blue
Lb Light blue
G
Green
Lg Light green
R
Red
P
Pink
W White
Gr Gray
(A) MAIN FUSE
(B) ENGINE SWITCH
(C) ENGINE GROUND
(D) FUEL CUT
SOLENOID
(E) STARTER MOTOR
(F) BATTERY
(G) CHARGE COIL
(H) LEFT IGNITION
COIL
(I)
LEFT SPARK PLUG
(J) RIGHT IGNITION
COIL
(K) RIGHT SPARK PLUG
(L) REGULATOR
RECTIFIER
17