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

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

Brakes

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

Dimensions

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

Electrics

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

Engine

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

Transmission

Chain Number of Links:
104 Links
Chain type:
5/8"pitch×3/8"wide
Clutch Type:
Wet
Final Drive:
Chain
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
Sprocket front:
20T
Sprocket rear:
46T
Transmission:
5 Speed

Misc.

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

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