Spec Sheet
The information below is specific to the Yamaha - RD 350 LC 81, showing anything for service information to the amount of fork oil or even the tyre pressures. If you would like to contribute any missing information, please use the edit link below.
Back.Bike Info
CC:
350
Chassis info:
4LO
Service
Coolant:
ethylene-glycol anti-freeze. ratio 1:1 distilled water
Engine Oil Grade SAE:
10w/30
Engine Oil quantity (litres):
1.6
Engine Oil quantity with filter (litres):
1.6
Fork oil grade:
10w/30
Front Fork Oil cc (left leg):
140
Front Fork Oil cc (right leg):
140
Gearbox Oil grade:
10w/30
Gearbox Oil Litres:
1.5
Idle Speed (rpm):
1150 - 1250
Spark Plugs Gap (mm):
0.7 - 0.8
Tyre Pressure Back Bar / psi:
28
Tyre Pressure Back - Pillion Bar / psi:
28
Tyre Pressure Front Bar / psi:
26
Tyre Pressure Front - Pillion Bar / psi:
32
Brakes
Front:
Twin Disc
Rear:
Drum
Brake fluid:
D.O.T.3
Front Disc Size:
267 mm
Front-Pistons-per-caliper:
twin-discs with single action floating calipers
Dimensions
Dry Weight:
143 kg
Fuel Capacity:
17 litres
Length:
2,120mm
Seat Height:
785 mm
Wet Weight:
159 kg
Wheelbase:
1365 mm
Width:
750mm
Electrics
Voltage:
12v
Battery:
12n5,5-3b
Bulb-Headlight:
60/55 watt
Charging System:
AC-generator
Ignition:
CDI
Ignition Timing:
20-(2mm) BTDC at 2,000rpm
Spark Plugs:
NGK B8ES
Engine
Type:
Liquid Cooled 2 Stroke Reed Valve Parallel Twin
Bore x Stroke:
64 x 54 mm
Carburation:
Mikuni 26mm slide carbs
Carburation Idle Jet:
27.5
Carburation Main Jet:
220
Compression Ratio:
6.2:1
Displacement:
347 cc
Fuel Minimum Octane Rating:
95
Lubrication System:
metered oil injection
Pilot Screw Setting:
1.5
Starting:
Kick Start
Transmission
Chain Number of Links:
102
Chain type:
530
Clutch Type:
Wet, multi-plate
Final Drive:
exposed chain
Gear Ratio 1st:
17.9:1
Gear Ratio 2nd:
12.4:1
Gear Ratio 3rd:
9.2:1
Gear Ratio 4th:
7.5:1
Gear Ratio 5th:
6.7:1
Gear Ratio 6th:
6.2:1
Primary Drive:
Helically-cut-gear
Sprocket front:
16
Sprocket rear:
39
Transmission:
6 Speed-constant mesh
Misc.
Frame:
welded Steel Tube, full lope, duplex cradle
Motorcycle Style:
ROADSTER
Power
Fuel Consumption:
average (43 mpg)
Max Power Output:
47kw(63hp)
Top Speed:
110 mph
Suspension
Front:
32mm Kayaba oil damped telescopic forks
Rear:
Monoshock
Tyres
Front:
90/90-18 Tubed
Rear:
110/80-18 Tubed
Wheels
Front:
18in cast alloy
Rear:
18in cast alloy
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All information presented on the website is given to the best of our knowledge at the given time. All information is intended to only as a guide. A major Japanese manufacturer's quote:
We reserve the right to vary our specification with or without notice, and as such time and in such manner as we think fit.