Yamaha GT1 Service Manual page 11

GENERAL-
Specifications & Performance GTl·GTMX
Model
GT1
GTMX
Gear box:
Type
Constant mesh,
Constant mesh,
4-speed forward
4-speed forward
Reduction ratio 1st 3,250
(39/12)
3.250
(39/121
Reduction ratio 2nd
2,000 (34/17)
2.000
(34/17)
Reduction ratio 3rd
1.428 (30/21 I
1.428 130/21 I
Reduction ratio 4th
1.125
(27/24)
1.125
(27 /24)
Secondary reduction system
Chain Chain
Secondary reduction ratio
2.928
(41/14) 2.928
(41/14)
Chassis:
Model
393
367
Frame
Tubular double loop Tubular double loop
Suspension system, front
Telescopic fork
Telescopic fork
Suspension system, rear
Swinging, arm
Swinging, arm
Cushion system, front
Coil spring, oil damper Coil spring, oil damper
Cushion system, rear Coil spring, oil •damper
Coil spring, oil damper
Steering system:
Caster
63' 30' 63' 30'
Trail
2.7 in.
(68 mm)
2.7 in.
168 rnm)
Braking system:
Type of brake
I nterna! expansion I
nterna! expansion
Operation system, front
Right hand operation
Right hand operation
Operation system, rear
Right foot operation
Right foot operation
Tire size:
Front 2.50-15-4PR 2.50-15-4PR
Rear 2.75-14-4PR
2.75-14-4PR
Flywbeel magneto
Model
F11-L50
F11-L50
Manufacturer HITACHI Ltd.
HITACHI Ltd.
Battery:
~
Model
6N4A-4D
Manufacturer NIPPON Battery
Capacity 6V 4AH
)
Lighting:
Head light
6V, 15W/15W
Tail light
6V, 5.3W
Stop light
6V, 25W
Meter light
6V, 3W
Flasher light
6V, 17W
High beam Indicator light
6V, 1.5W
Tanks:
Gasoline tank capacity
1.3 US gals.
(4.8 liters) 1.3 US gals.
(4.8 liters)
Oil tank capacity 0.7 qts.
(0. 7 liters) 0.7 qts.
(0.7 liters)
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