honda-automobiles gxv620 User Manual
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ENGLISH
Wiring Diagrams
ITEM
Tuneup Specifications
Quick Reference Information
MAINTENANCE
SPECIFICATION
GXV610/620/670
3 A Charge Coil and Switch Box Type
20 A Charge Coil and Switch Box Type
17
Spark plug gap
Idle speed
Valve clearance
(cold)
Valve clearance
(cold)
No other adjustments needed.
1,400
150 rpm
Fuel
Engine oil
Spark plug
Maintenance
U.S.
Except
U.S.
Except
U.S.
Pump octane rating 86 or higher
Research octane rating 91 or higher
Pump octane rating 86 or higher
Research octane rating 91 or higher
Pump octane rating 86 or higher
ZGR5A (NGK)
J16CR-U (DENSO)
J16CR-U (DENSO)
Refer to page 10.
Unleaded gasoline
(Refer to page 7).
SAE 10W-30, API SJ or later, for general use.
Refer to page 7.
Before each use:
First 20 hours:
Change engine oil. Refer to page 8.
Subsequent:
Refer to the maintenance schedule on page 6.
IN: 0.15
0.02 mm
EX: 0.20
0.02 mm
0.7
0.8 mm
(0.028
0.031 in)
Other specifications
See your authorized
Honda dealer
Bl
Y
Bu
G
R
W
Black
Yellow
Blue
Green
Red
White
Br
O
Lb
Lg
P
Gr
Brown
Orange
Pink
Gray
FUEL CUT
SOLENOID
STARTER MOTOR
BATTERY
LEFT SPARK PLUG
RECTIFIER
MAIN FUSE
Bl
Y
Bu
G
R
W
Yellow
Blue
Green
Red
White
Br
O
Lb
Lg
P
Gr
Orange
Pink
Gray
Black
Brown
CHARGE COIL (3A)
ENGINE GROUND
RIGHT SPARK PLUG
ENGINE STOP DIODE
ENGINE SWITCH
(A)
(B)
(C)
(D)
(E)
(F)
(G)
(H)
(I)
(J)
(K)
(L)
(M)
FUEL CUT
SOLENOID
STARTER MOTOR
BATTERY
LEFT SPARK PLUG
MAIN FUSE
ENGINE GROUND
RIGHT SPARK PLUG
ENGINE STOP DIODE
ENGINE SWITCH
(A)
(B)
(C)
(D)
(E)
(F)
(G)
(H)
(I)
(J)
(K)
(L)
(M) REGULATOR/
RECTIFIER
LEFT IGNITION
COIL
RIGHT IGNITION
COIL
LEFT IGNITION
COIL
RIGHT IGNITION
COIL
CHARGE COIL (20A)
Light blue
Light blue
Light green
Light green
OFF
ON
START
START
ON
OFF
07/10/25 16:06:38 32Z6E600_017