Technical Specifications - Engine 85 Sx 2003 - KTM 85 SX 2003 Owner's Manual

TECHNICAL SPECIFICATIONS - ENGINE 85 SX 2003

Engine
Design
Displacement
Bore/stroke
Fuel
Oil/gasoline ratio
Lubrication
Crankshaft bearing
Connecting rod bearing
Piston pin bearing
Piston rings
Primary drive
Clutch
34
Transmission
Gear ratio
Transmission oil
Ignition system
Spark plug
Electrode gap
Carburetor
Coolant
Air filter
BASIC CARBURETOR SETTING
Carburetor
Main jet
Needle jet
Idling jet
Jet needle
Needle position from top
Throttle valve
Starting jet
Air adjustment screw open
Liquid cooled single cylinder two-stroke engine with reed valve intake
SUPER fuel, research octane no 95, mixed with high grade two-stroke oil
1:40 - 1:60 when using high grade two-stroke oil (e.g. Motorex 2T Crosspower),
when in doubt, please contact our importer
deep-groove ball bearing, cylinder roller bearing
multiple disc clutch in oil bath, hydraulic operated (Motorex clutch fluid 75)
0.35 liter (0.0924 USgal) Motoröl Motorex Topspeed 4T 15W50
flat-slide carburetor, carburetor see table
1 liter (0.264 Usgal), mixture coolant : water = 2 : 1, at least -25° C (-13° F)
Kehin PWK 28
118
2.6
45
N5HG
III
3.5
62
1.5
CR-85
84,926 ccm
47 / 48.95 mm (1.85/1.93 in)
mixture lubrication
needle bearing
needle bearing
1 compression ring
straight cut spur gears, 19:66 t
6 speed, claw actuated
1 st gear 11 : 29
2 nd gear 14 : 28
3 rd gear 16 : 26
4 th gear 19 : 26
5 th gear 21 : 25
6 th gear 20 : 21
Moric Digital 2M1
NGK BR 10 ECMVX
0.60 mm (0.0236 in)
wet foam type air filter insert