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1972 Yamaha LT2

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1972 Yamaha LT2 100 Enduro Page

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 JT2L advertisement # 2 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




The 1972 Yamaha LT2 Store is located above

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