To Next Page

To Previous Page

22 TECHNICAL DATA 125

Crankshaft bearing 1 grooved ball bearing/1 roller bearing

Conrod bearing Needle bearing

Piston pin bearing Needle bearing

Pistons Aluminum cast

Piston rings 2 rectangular rings

X (upper edge of piston to upper edge of cylinder) 0… 0.10 mm (0… 0.0039 in)

Z (height of control flap) 48.5 mm (1.909 in)

Primary transmission 26:72

Clutch Multidisc clutch in oil bath/hydraulically activated

Gearbox 6-gear, claw shifted

Transmission ratio

1st gear 14:32

2nd gear 16:26

3rd gear 20:25

4th gear 22:23

5th gear 25:22

6th gear 26:20

Ignition Contactless controlled fully electronic ignition with digital igni-

tion adjustment, type Kokusan

Ignition point (BTDC) 1.9 mm (0.075 in)

Spark plug NGK BR 7 ES

Spark plug electrode gap 0.60 mm (0.0236 in)

Starting aid Kick starter and electric starter

22.2 Engine tightening torques

22.2.1 All 125/200 models

Screw, inner reed valves (All 125 mod-

els)

EJOT DELTA PT

35x25 1 Nm (0.7 lbf ft) –

Screw, membrane core plate (All 125

models)

EJOT DELTA PT

30x12 1 Nm (0.7 lbf ft) –

Screw, outer reed valves (All 125 mod-

els)

EJOT DELTA PT

30x6 1 Nm (0.7 lbf ft) –

Screw, membrane (All 200 models) M4 2 Nm (1.5 lbf ft)

Loctite

243™

Locking screw for bearing M5 6 Nm (4.4 lbf ft)

Loctite

243™

Screw, alternator cover M5 5 Nm (3.7 lbf ft) –

Screw, centrifugal timer M5 8 Nm (5.9 lbf ft)

Loctite

243™

Screw, crankshaft position sensor M5 6 Nm (4.4 lbf ft)

Loctite

243™

Screw, exhaust control cover M5 5 Nm (3.7 lbf ft) –

Screw, exhaust flange M5 6 Nm (4.4 lbf ft) –

Screw, ignition system/stator (All 125

models)

M5 6 Nm (4.4 lbf ft) Loctite

222™

Screw, lock washer, axle for control

flap

M5 6 Nm (4.4 lbf ft)

Loctite

243™

Screw, locking lever M5 6 Nm (4.4 lbf ft)

Loctite

243™

Screw, water pump wheel M5 6 Nm (4.4 lbf ft)

Loctite

243™

Adjustment cable, exhaust control M6 10 Nm (7.4 lbf ft)

Loctite

243™

Bleeder screw, cylinder head M6 10 Nm (7.4 lbf ft) –

Screw, alternator cover M6 8 Nm (5.9 lbf ft) –

Screw, clutch cover M6 10 Nm (7.4 lbf ft) –

Screw, clutch slave cylinder M6 10 Nm (7.4 lbf ft)

Loctite

243™

Screw, clutch spring M6 10 Nm (7.4 lbf ft) –

Screw, engine case M6 10 Nm (7.4 lbf ft) –

Screw, exhaust control M6 10 Nm (7.4 lbf ft) –

Brand	KTM
Model	125 EXC EU
Category	Motorcycle
Language	English

KTM 125 EXC EU User Manual

Table of Contents

Questions and Answers:

KTM 125 EXC EU Specifications

Related product manuals