Yamaha RZ 350RR (1985)

The Yamaha RZ 350RR motorcycle, produced in 1985, was a two-stroke machine with a parallel twin cylinder engine and YPVS technology. Its compression ratio was 6.2:1 and it had an Autolube lubrication system. The bike featured 2x 26mm Mikuni slide-needle carburetors, a flywheel magneto CDI ignition, and kick-starting. It could produce a maximum power of 59hp @ 9000rpm and a maximum torque of 40.2Nm @ 8000rpm. The clutch was wet multiplate and the transmission had six speeds. The final drive was through a chain. The RZ 350RR had front suspension with 35mm telescopic forks with air assistance and variable damping, and rear suspension with rising rate rear Monocross and 5-way preload. The front brakes had 2x 260mm discs with two-piston calipers and the rear brakes had a single 260mm disc with one-piston caliper. The bike had 90/90-18 51H front and 110/80-18 58H rear tires. The fuel tank had a capacity of 17 liters or 4.5 US gallons. It had a dry weight of 141kg or 310.8lbs and a wet weight of 155kg or 341.7lbs. The bike had a top speed of 192.8 km/h or 119.8 mph, and it could go from 0 to 60mph in 12.4 seconds.

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Technical specifications:

Make Model: Yamaha RD 350RR

Year: 1985

Engine: Two stroke, parallel twin cylinder, YPVS

Capacity: 347 cc / 21.1 cu-in

Bore x Stroke: 64 54 mm

Cooling System: Liquid cooled

Compression Ratio: 6.2:1

Lubrication: Autolube

Induction: 2x 26mm Mikuni slide-needle carburetor

Ignition: Flywheel magneto CDI

Starting: Kick

Max Power: 59 hp / 43.9 kW @ 9000 rpm

Max Power Rear Tyre: 54.2 hp @ 9400 rpm

Max Torque: 40.2 Nm / 4.1 kgf-m / @ 8000 rpm

Clutch: Wet multiplate

Transmission: 6 Speed

Final Drive: Chain

Front Suspension: 35mm Telescopic forks air assistance and variable damping

Front Wheel Travel: 140 mm / 5.5 in

Rear Suspension: Rising rate Monocross 5-way preload

Rear Wheel Travel: 100 mm / 3.9 in

Front Brakes: 2x 260mm disc 2 piston calipers

Rear Brakes: Single 260mm disc 1 piston caliper

Front Tyre: 90/90-18 51H

Rear Tyre: 110/80-18 58H

Dimensions: Length 2095 mm / 82.4 in Width 700 mm / 27.5 in Height 1190 mm / 46.8 in

Wheelbase: 1385 mm / 54.5 in

Seat Height: 790 mm / 31.1 in

Ground Clearance: 165 mm / 6.4 in

Dry Weight: 141 kg / 310.8 lbs

Wet Weight: 155 kg / 341.7 lbs

Fuel Capacity: 17 Litres / 4.5 US gal

Consumption Average: 43 mpg

Braking 60 – 0 / 100 – 0: 15.0 m / 40.1 m

Standing 1/4 Mile: 12.4 sec / 166.6 km/h

Top Speed: 192.8 km/h / 119.8 mph