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Welcome to the 1972 Yamaha LT2 Forum. The factory Yamaha color was called "Candy Green". The USA Vin Range was LT2-000101 to 031280. Feel free to post anything related to this model in the category. Anything new, will be added to this section. If you see any errors, please contact me privately.
1972 Yamaha LT2
Model 1972 Yamaha LT2
Dimensions:
Overall Length 75.2 In. / 1,910MM
Overall Width 35.4 In. / 900MM
Overall Height 41.3 In. / 1,050MM
Wheelbase 48.8 In. / 1,240 MM
Min. Ground Clearance 8.6 In. / 220MM
Weight:
Gross -
Net 187 Lbs. / 85kg
Performance:
Max, Speed 58 MPH / 93KM/H
Fuel Consumption 152.9 mpg @ 31MPH
(On paved level roads)
Climbing Ability 27 Degree
Min. Turning Radius 82.7 In. / 2,100MM
Braking Distance 49 Ft. @ 31 MPH (15M @ 50Km/h)
Engine:
Model LT2
Type 2 Stroke, Gasoline
Lubricating System Separate (Yamaha Autolube)
Cylinder Single, forward inclined 5 Port
Displacement 5.92 cu. in. (97cc)
Bore X Stroke 2.047 X 1.795 In. (52MM X 45.6MM)
Compression Ratio 6.9:1
Max Power 10 BHP/7,500 RPM
Max Torque 7 Ft.-Lbs/0.97 kg-m @ 7,000 RPM
Piston Skirt Clearance .0016 - .0018 In. / 0.40 - 0.45MM
Starting System Primary-Coupled Kick
Ignition Timing B.T.D.C 1.8 MM +/- 0.12 - 0.15 MM
NGK Spark Plug & Gap B-8HN 0.5 MM (0.023 in)
Contact Break Point Gap .012 - .015 Inch / 0.3 - 0.4 MM
Volt Reg. Adjustment -
(Volts @ RPM - No load)
Cutout Relay Adjustment -
Condenser Capacity .30UF (Microfarad)
Carburetor:
Type VM20SH / ID 305E2
Main Jet # 130
Jet Needle / Clip position 4J13 - 2
Air Jet -
Needle Jet N - 6
Cut Away 1.5
Pilot Jet (#) 25
Air Screw (turns out) 1 1/2
Starter Jet (#) 30
Float Level 21MM +/- 2.5MM
Intake:
Air Cleaner Wet, Foam Rubber
Transmission:
Clutch Wet, Multiple Disk
Primary reduction system Helical Gear
Primary reduction ratio 3.894 / (74/19) Teeth
Trans Oil Capacity .07 Quarts / 700cc
Gear Box:
Type Constant Mesh, 5 Speed Forward
1st Gear teeth & Ratio 3.182 (35/11) (reduction 43.373)
2nd Gear teeth & Ratio 2.000 (30/15) (reduction 27.263)
3rd Gear teeth & Ratio 1.368 (26/19) (reduction 18.653)
4th Gear teeth & Ratio 1.000 (23/23) (reduction 13.631)
5th Gear teeth & Ratio 0.800 (20/25) (reduction 10.905)
Secondary reduction system Chain
Secondary reduction ratio 3.500 (49/14)
Chassis:
Frame Tubular-Double Loop
Front Suspension System Front Telescopic fork
Rear Suspension System Swinging Arm
Fork Oil Capacity 120cc (4.1 Oz.)
Front Cushion System Coil Spring / Oil Damper
Rear Cushion System Coil Spring / Oil Damper
Steering System:
Steering Angle 61 Degrees both left & right
Caster - Degrees
Trail 4.1 In. / 105MM
Braking System:
Type of brake Internal Expansion
Front Operation System Right hand operation
Rear Operation System Right foot operation
Tire Size:
Front 2.75 - 18 - 4PR Trials Universal
Rear 3.00 - 18 - 4PR Trials Universal
Front Tire Pressure 14 P.S.I
Rear Tire Pressure 17 P.S.I
Oil Pump:
Adjustment Stroke Min 0.20 - 0.25 MM
Adjustment Stroke Max 1.85 - 2.05 MM
Dynamo:
Model F136-07
Manufacturer Hitachi
Battery:
Model 6N4A-4D
Manufacturer Furukawa Battery
Capacity 6V 4AH
Lighting:
Head Light 6V 25W/25W
Flasher Light 6V 17W
Tail Light 6V 5.3W
Stop Light 6V 17W
Meter Light 6V 3W
High Beam Indicator Light 6V 1.5W
Tanks:
Gasoline Tank Capacity 1.6 Gallons (6 Liters)
Oil Tank Capacity 1.3 Quarts (1.2 Liters)
Chain:
Tension (Up & down free play) 25MM
The 1972 Yamaha LT2 Rider's Manual is Located: CLICK HERE
The 1972 Yamaha LT2 Service Manual is Located: CLICK HERE
The 1972 Yamaha LT2 Combined Service Manual is Located: CLICK HERE
The 1972 Yamaha LT2 Combined Service Manual 2 is Located: CLICK HERE
The 1972 Yamaha LT2 Parts Manual is located: CLICK HERE
The 1972 Yamaha LT2 Advertisement is Located: CLICK HERE
The 1972 Yamaha line up flyer is located: CLICK HERE
The 1972 USA Yamaha full Line Up Brochure is Located: CLICK HERE
The 1972 Canada Yamaha line up brochure is located: CLICK HERE
The 1972 Yamaha LT2 Warranty Card is Located: CLICK HERE
1972 Yamaha LT2 Service Coupon is located: CLICK HERE
The 1972 Yamaha dealership crates photo is located: CLICK HERE
