Matchless - G80 (L F Harris) 87-94

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Bike Info

CC:
500
Bike Description:
Les Harris produced the G80 after John Bloor took back the right to Build the Bonneville. Very underrated Bike with lively Rotax engine design by Brian Jones. Part Bin or Class ? Grimeca hubs, Paioli forks, twin Brembo discs and a Dell’Orto carburettor. Twin Disc and Electric Start option added late 87. limited production to special order after 1989.
Chassis info:
HN-223034 >
G80 (L F Harris) Parts and accessories

Service

Front Fork Oil cc (right leg):
180cc
Front Fork Oil cc (left leg):
180cc
Valve Clearance Cold - Inlet:
0.05 mm
Valve Clearance Cold - Exhaust:
0.05 mm
Tyre Pressure Front Bar / psi:
25psi
Tyre Pressure Back Bar / psi:
32psi
Engine Oil Grade SAE:
15W/40
Engine Oil Classification API:
SF / SG
Engine Oil quantity with filter (litres):
2.5
Engine Oil quantity with filter (litres):
2.5
Engine Oil quantity (litres):
2.5
Spark Plugs Gap (mm):
0.7

Brakes

Front:
Disc
Front Disc Size:
260 mm
Front-Pistons-per-caliper:
2
Rear:
Drum
Rear Drum Size:
160mm
Brake fluid:
SAE J.1703 or DOT3

Dimensions

Seat Height:
787mm
Wheelbase:
1372 mm
Dry Weight:
150 kgs
Fuel Capacity:
15 litre

Electrics

Voltage:
12v
Main Fuse:
15A
Ignition:
Breakerles C.D.ignition system(Nippondenso)
Charging System:
Alternator 190W
Spark Plugs:
D8EA
Spark Plugs (Iridium):
DR8EIX
Bulb-Headlight:
Halogen 60/45w
Battery:
5Ah(14Ah with Electric starter)
Ignition Timing:
29° at 6000rpm

Engine

Type:
Air Cooled 4 Stroke SOHC Single
Bore x Stroke:
89 x 79.4 mm
Compression Ratio:
9.2:1
Displacement:
494 cc
No. of Valves:
4
Lubrication System:
Dry Sump oil in frame tube
Starting:
Kick ( Electric as cost option )
Carburation:
Dellorto type PHF 36-B5
Carburation Main Jet:
120
Fuel Minimum Octane Rating:
97(4Star)
Red line RPM:
7000rpm

Transmission

Gear Ratio 1st:
15.89
Gear Ratio 2nd:
10.93
Gear Ratio 3rd:
7.65
Gear Ratio 4th:
6.10
Gear Ratio 5th:
4.98
Clutch Type:
Wet
Sprocket front:
20T
Sprocket rear:
46T
Final Drive:
Chain
Chain type:
5/8"pitch×3/8"wide
Chain Number of Links:
104 Links
Transmission:
5 Speed

Misc.

Motorcycle Style:
ROADSTER
Colour Options:
Black with Gold Detail or Silver with Red Detail
Exhaust:
2 into 1
Place of Manufacture:
Newton Abbot, Devon, England, UK
Number Produced:
860 (364 with Electric Start)

Power

Max Power Output:
34 bhp 25 kw

Suspension

Front:
Adjustable Anti Dive Telescopic forks
Rear:
Twin Shock

Tyres

Front:
100/90-19
Rear:
110/90-18

Wheels

Front:
19 inch spoked
Rear:
18 inch spoked