Technical Specifications – Engine - KTM 690 LC4 Owner's Manual

TECHNICAL SPECIFICATIONS – ENGINE
ENGINE
Design
Displacement
Bore / Stroke
Compression ratio
Fuel
Valve timing
Valve diameter
Valve clearance, cold
Crankcase bearing
Conrod bearing
Piston pin bearing
Piston
Piston rings
Engine lubrication
Engine oil
Quantity of engine oil
Primary drive
Clutch
Transmission
Gear ratio
690 SUPERMOTO / 690 SUPERMOTO PRESTIGE 2007
Single-cylinder, 4-stroke Otto engine with balancer shaft
654 cc
102 / 80 mm (4.02 / 3.15 in)
11.8 : 1
unleaded fuel with at least RON 95 (USA: Premium PON 91)
4 valves OHC, roller rocker arms
Intake: 40 mm (1.57 in) Exhaust: 34 mm (1.34 in)
0.07 - 0.13 mm (0.00276 - 0.00512 in)
Two-cylinder roller bearing
Needle bearing
Bronze bushing
Light alloy – forged
1 L-ring, 1 tapered compression piston ring, 1 oil scraper ring
Semi-dry sump with 2 Eaton pumps
Fully-synthetic 10W/60 engine oil according to the JASO T903 MA specification (Motorex Cross Power 4T 10W/60)
approx. 2 liters (0.53 USgal)
Straight-toothed spur wheels 36 : 79
APTC multi-disc wet clutch, hydraulically operated
6-speed claw shifted
1 st gear 14 : 35
2 nd gear 16 : 28
3 rd gear 21 : 28
4 th gear 21 : 23
5 th gear 23 : 22
6 gear 23 : 20
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