Husqvarna TE 125 EU User Manual

Design

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

exhaust control

Displacement

124.8 cm³ (7.616 cu in)

Stroke

54.5 mm (2.146 in)

Bore

54 mm (2.13 in)

Crankshaft bearing

1 grooved ball bearing/1 roller bearing

Conrod bearing

Needle bearing

Piston pin bearing

Needle bearing

Pistons

Aluminum cast

Piston rings

2 half keystone rings

X (upper edge of piston to upper edge of cylinder)

0… 0.10 mm (0… 0.0039 in)

Z (height of control flap)

43.7 mm (1.72 in)

Primary transmission

23:73

Clutch

Multidisc clutch in oil bath/hydraulically activated

Gearbox

6-gear, claw shifted

Transmission ratio

1st gear

12:33

2nd gear

15:31

3rd gear

17:28

4th gear

19:26

5th gear

21:25

6th gear

20:20

Ignition

Contactless controlled fully electronic ignition with digital ignition

adjustment, type Kokusan

Ignition point (BTDC)

1.4 mm (0.055 in)

Spark plug

NGK BR9 ECMVX

Spark plug electrode gap

0.60 mm (0.0236 in)

Starting aid

Kick starter

Design

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

exhaust control

Displacement

249 cm³ (15.19 cu in)

Stroke

72 mm (2.83 in)

Bore

66.4 mm (2.614 in)

Exhaust valve - Beginning of adjustment

5,600 rpm

Exhaust valve - end of adjustment with red auxiliary spring

7,200 rpm

Exhaust valve - end of adjustment with yellow auxiliary spring

7,900 rpm

Exhaust valve - end of adjustment with green auxiliary spring

8,400 rpm

Crankshaft bearing

1 grooved ball bearing/1 roller bearing

Conrod bearing

Needle bearing

Piston pin bearing

Needle bearing

Pistons

Aluminum cast

Piston rings

2 half keystone 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 mm (1.89 in)

Primary transmission

26:72

Clutch

Multidisc clutch in oil bath/hydraulically activated

Gearbox

6-gear, claw shifted