Technical Data 20; Engine; Engine Tightening Torques - KTM 85 SX 2019 Owner's Manual

Table of Contents

20.1

Engine

Design

Displacement

Stroke

Bore

Idle speed

Crankshaft bearing

Conrod bearing

Piston pin bearing

Pistons

Piston rings

Engine lubrication

Primary transmission

Clutch

Transmission

Transmission ratio

1st gear

2nd gear

3rd gear

4th gear

5th gear

6th gear

Ignition

Spark plug

Spark plug electrode gap

Cooling

Starting aid

20.2

Engine tightening torques

Screw, adjusting lever

Screw, clutch spring retainer

Screw, control lever

Screw, crankshaft position sensor

Screw, exhaust control bearing

support

Screw, exhaust control cap

Screw, exhaust control cover

Screw, guide piece

Screw, ignition system/stator

1-cylinder 2-stroke engine, water-cooled, with reed

intake and exhaust control

84.93 cm³ (5.1828 cu in)

48.95 mm (1.9272 in)

47 mm (1.85 in)

1,400 ... 1,500 rpm

1 grooved ball bearing / 1 roller bearing

Needle bearing

Aluminum cast

1 rectangular ring

Mixture oil lubrication

20:64 straight cut spur gear drive

Multidisc clutch in oil bath/hydraulically activated

6-gear, claw shifted

11:29

14:28

16:26

19:26

21:25

20:21

Kokusan 504

NGK BR9 ECMVX

0.60 mm (0.0236 in)

Water-cooled

Kick starter

M5x16

M5x12