KTM 85 SX 17/14 User Manual

20 TECHNICAL DATA 80
20.1 Engine
Design 1-cylinder 2-stroke engine, water-cooled, with reed intake and
exhaust control
Displacement 84.93 cm³ (5.1828 cu in)
Stroke 48.95 mm (1.9272 in)
Bore 47 mm (1.85 in)
Idle speed 1,400… 1,500 rpm
Crankshaft bearing 1 grooved ball bearing / 1 roller bearing
Conrod bearing Needle bearing
Piston pin bearing Needle bearing
Pistons Aluminum cast
Piston rings 1 rectangular ring
Engine lubrication Mixture oil lubrication
Primary transmission 19:66 straight cut spur gear
Clutch Multidisc clutch in oil bath/hydraulically activated
Transmission 6-gear, claw shifted
Transmission ratio
1st gear 11:29
2nd gear 14:28
3rd gear 16:26
4th gear 19:26
5th gear 21:25
6th gear 20:21
Ignition Moric Digital 2M1
Spark plug NGK BR9 ECMVX
Spark plug electrode gap 0.60 mm (0.0236 in)
Cooling Water-cooled
Starting aid Kick starter
20.2 Engine tightening torques
Stop screw for adjustment cable M4 4 Nm (3 lbf ft)
Loctite
®
243™
Locking cap screw M5 8 Nm (5.9 lbf ft) –
Screw, control flap, exhaust control M5 8 Nm (5.9 lbf ft)
Loctite
®
243™
Screw, exhaust control cover M5 6 Nm (4.4 lbf ft) –
Screw, ignition system/stator M5 6 Nm (4.4 lbf ft) Loctite
®
222™
Screw, water pump wheel M5 6 Nm (4.4 lbf ft)
Loctite
®
243™
Lock screw for control flap M6 8 Nm (5.9 lbf ft)
Loctite
®
243™
Nut, centrifugal timer M6 10 Nm (7.4 lbf ft)
Loctite
®
243™
Screw, alternator cover M6 8 Nm (5.9 lbf ft) –
Screw, clutch intermediate cover M6 10 Nm (7.4 lbf ft) –
Screw, clutch springs M6 10 Nm (7.4 lbf ft) –
Screw, cylinder head M6 10 Nm (7.4 lbf ft) –
Screw, engine case M6x25 10 Nm (7.4 lbf ft) –
Screw, engine case M6x40 10 Nm (7.4 lbf ft) –
Screw, engine sprocket cover M6 10 Nm (7.4 lbf ft) –
Screw, exhaust flange M6 10 Nm (7.4 lbf ft)
Loctite
®
243™
Screw, intake flange/reed valve housing M6 10 Nm (7.4 lbf ft) –
Screw, kick starter M6 12 Nm (8.9 lbf ft)
Loctite
®
243™
Screw, outer clutch cover M6 10 Nm (7.4 lbf ft) –
Screw, shift drum locating M6 10 Nm (7.4 lbf ft)
Loctite
®
243™
Screw, shift lever M6 12 Nm (8.9 lbf ft)
Loctite
®
243™

KTM 85 SX 17/14 Specifications

General

Brand	KTM
Model	85 SX 17/14
Category	Motorcycle
Language	English