21
TECHNICAL DATA
172
21.1
Engine
Design
1-cylinder 4-stroke engine, water-cooled
Displacement
654 cm³ (39.91 cu in)
Stroke
80 mm (3.15 in)
Bore
102 mm (4.02 in)
Compression ratio
11.8:1
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
Bronze bush
Pistons
Forged light alloy
Piston rings
1 L-ring, 1 tapered compression piston ring, 1 oil scraper ring
Engine lubrication
Semi-dry sump lubrication with two rotor pumps
Primary transmission
36:79
Clutch
APTC™
antihopping clutch in oil bath/hydraulically operated
Gearbox
6-gears, claw-shifted
Transmission ratio
1st gear
14:35
2nd gear
16:28
3rd gear
21:28
4th gear
21:23
5th gear
23:22
6th gear
23:20
Mixture preparation
Electronic fuel injection
Ignition
Contactless controlled fully electronic ignition with digital igni-
tion adjustment
Alternator
12 V, 224 W
Spark plug
NGK LKAR 8AI - 9
Spark plug electrode gap
0.9 mm (0.035 in)
Cooling
Water cooling, permanent circulation of coolant by water pump
Idle speed
Coolant temperature:
≥
70 °C (
≥
158 °F)
1,550… 1,650 rpm
Starting aid
Electric starter, automatic decompressor
21.2
Engine tolerance, wear limits
Camshafts - diameter, bearing pin
Next to exhaust cam
≥
39.95 mm (
≥
1.5728 in)
Next to inlet cam
≥
17.96 mm (
≥
0.7071 in)
Valve spring
Minimum length (without valve spring cap)
42.3 mm (1.665 in)
Valve spring cap - thickness
2.4… 2.5 mm (0.094… 0.098 in)
Valve - valve stem diameter
Exhaust
≥
5.93 mm (
≥
0.2335 in)
Intake
≥
5.93 mm (
≥
0.2335 in)
Valve guide - diameter
New condition
6.004… 6.016 mm (0.23638… 0.23685 in)
Wear limit
6.050 mm (0.23819 in)
Valve - sealing seat width
Intake
1.60 mm (0.063 in)
Содержание 2011 690 SMC AUS
Страница 1: ...REPAIR MANUAL 2011 690 SMC EU 690 SMC AUS UK Art no 3206122en ...
Страница 2: ......
Страница 33: ...7 HANDLEBAR CONTROLS 31 Tighten counter nut 1 ...
Страница 69: ...11 FUEL TANK SEAT TRIM 67 Set the clock p 94 ...
Страница 186: ...24 SERVICE SCHEDULE 184 One time interval Periodic interval ...
Страница 187: ...185 ...
Страница 229: ... 3206122en 3206122en 10 2012 KTM Sportmotorcycle AG 5230 Mattighofen Austria http www ktm com Photo Mitterbauer KTM ...