23 TECHNICAL DATA
23.1
Design
Displacement
Stroke
Bore
Compression ratio
Idle speed
Control
Valve - valve plate diameter
Intake
Exhaust
Valve clearance
Exhaust at: 20 °C (68 °F)
Intake at: 20 °C (68 °F)
Crankshaft bearing
Conrod bearing
Piston
Piston ring
300
Engine
2-cylinder 4-stroke Otto engine, 75° V arrangement,
water-cooled
1,301 cm³ (79.39 cu in)
71 mm (2.8 in)
108 mm (4.25 in)
13.1:1
1,280 ... 1,480 rpm
DOHC, 4 valves per cylinder, chain-driven
42 mm (1.65 in)
34 mm (1.34 in)
0.25 ... 0.30 mm (0.0098 ... 0.0118 in)
0.10 ... 0.15 mm (0.0039 ... 0.0059 in)
Sleeve bearing
Sleeve bearing
Forged light alloy
1 upper compression (rectangular) ring, 1 lower com-
pression ring, 1 oil scraper ring