22
TECHNICAL DATA
167
22.1
Engine
Design
1-cylinder 4-stroke engine, water-cooled
Displacement
690 cm³ (42.11 cu in)
Stroke
84.5 mm (3.327 in)
Bore
102 mm (4.02 in)
Compression ratio
12.6:1
Idle speed
Coolant temperature:
≥
70 °C (
≥
158 °F)
1,550… 1,650 rpm
Control
OHC, 4 valves controlled via rocker arm, chain drive
Valve diameter, intake
40 mm (1.57 in)
Valve diameter, exhaust
34 mm (1.34 in)
Valve play, cold
0.07… 0.13 mm (0.0028… 0.0051 in)
Crankshaft bearing
2 roller bearings
Conrod bearing
Needle bearing
Piston pin bearing
Piston pin with
DLC
coating
Pistons
Forged light alloy
Piston rings
1 L-ring, 1 tapered compression piston ring, 1 oil scraper ring
Engine lubrication
Semi-dry sump lubrication system with two rotor pumps
Primary transmission
36:79
Clutch
APTC™
antihopping clutch in oil bath/hydraulically operated
Transmission
6-gear, claw shifted
Transmission ratio
1st gear
14:35
2nd gear
16:28
Summary of Contents for 690 SMC R 2014
Page 1: ...OWNER S MANUAL 2014 690 SMC R EU 690 SMC R AUS UK Art no 3213104en...
Page 2: ......
Page 17: ...15...
Page 18: ...4 VIEW OF VEHICLE 16 4 1 View of vehicle front left side example 101971 10...
Page 20: ...4 VIEW OF VEHICLE 18 4 2 View of vehicle rear right side example 101972 10...
