Yamaha IT465: history, specs, pictures

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Yamaha IT465
Also called IT 465
Production 1981 - 1982
Class Enduro
Predecessor Yamaha IT425
Two stroke, single cylinder, read valve, air cooled
Bore / Stroke 83.8mm x 83.8mm
Compression ratio 4.9:1
Top Speed 81 mph
Horsepower 35.0 HP (26.1 KW) @ 6000RPM
Torque 30.98 ft/lbs (42.0 Nm) @ 5500RPM
Fuel System 38mm Mikuni
Spark Plug NGK B8ES '81-82
Transmission Gear box: 5-Speed

Final Drive: Chain

Clutch: Wet, multiplate
Final Drive Chain: 520x108 ‘81-82[1]
Front Sprocket 14T ‘81-82[1]
Rear Sprocket 46T ‘81-82[1]
Suspension Front: 43mm Telescopic adjustable forks
Brakes Front: Drum
Rear: Drum
Front Tire 3.00 -21
Rear Tire 150/80 -18
Wheelbase 56.3 inches (1430 mm)
Length 79.69 inches (2024 mm)
Width 36.81 inches (935 mm)
Weight 263.89 pounds (119.7 Kg) (dry), 120.0 kg (wet)
Recommended Oil Yamalube 10w-40
Related Yamaha IT125
Yamaha IT175
Yamaha IT200
Yamaha IT250
Yamaha IT350
Yamaha IT400
Yamaha IT425
Yamaha IT465
Yamaha IT490
Yamaha IT500
Yamaha TT250
Competition Honda CR450
Manuals Service Manual

The Yamaha IT 465 was a Two stroke, single cylinder, read valve, air cooled Enduro motorcycle produced by Yamaha between 1981 and 1983. Max torque was 30.98 ft/lbs (42.0 Nm) @ 5500 RPM. Claimed horsepower was 35.0 HP (26.1 KW) @ 6000 RPM.


The engine was a air cooled Two stroke, single cylinder, read valve, air cooled. A 83.8mm bore x 83.8mm stroke result in a displacement of just 465.0 cubic centimeters.


The bike has a 5-Speed transmission. Power was moderated via the Wet, multiplate clutch.


It came with a 3.00 -21 front tire and a 150/80 -18 rear tire. Stopping was achieved via Drum in the front and a Drum in the rear. The bike weighed just 263.89 pounds (119.7 Kg). The wheelbase was 56.3 inches (1430 mm) long.




In Media[edit]


  1. 1.0 1.1 1.2 2019 Western Power Sports Catalog. Western Power Sports. 2019.