Technical Data; Engine - Husqvarna TC 250 Owner's Manual

21.1

Engine

21.1.1 TC 250
Design
Displacement
Stroke
Hole
Exhaust valve, beginning of adjustment
Crankshaft bearing
Conrod bearing
Piston pin bearing
Piston
Piston rings
X distance (upper edge of piston to upper edge of
cylinder)
Z distance (height of control flap)
Primary transmission
Clutch
Transmission
Transmission ratio
First gear
Second gear
Third gear
Fourth gear
Fifth gear
Ignition system
Spark plug
Spark plug electrode gap
Starting aid
21.1.2 TX 300
Design
Displacement
Stroke
Hole
Exhaust valve, beginning of adjustment
Crankshaft bearing
Conrod bearing
Piston pin bearing
Piston
Piston rings
X distance (upper edge of piston to upper edge of
cylinder)

21 TECHNICAL DATA

1-cylinder 2-stroke engine, water-cooled, with reed
intake and exhaust control
249 cm³ (15.19 cu in)
72 mm (2.83 in)
66.4 mm (2.614 in)
5,500 rpm
1 grooved ball bearing/1 roller bearing
Needle bearing
Needle bearing
Cast aluminum
2 half keystone rings
0 ... 0.10 mm (0 ... 0.0039 in)
49.0 mm (1.929 in)
26:73
Multidisc clutch in oil bath/hydraulically activated
5-gear, claw shifted
14:28
16:26
18:24
21:24
22:21
Contactless controlled, fully electronic ignition with
digital ignition adjustment, type Kokusan
NGK BR 8 ECM
0.60 mm (0.0236 in)
Kick starter
1-cylinder 2-stroke engine, water-cooled, with reed
intake and exhaust control
293.2 cm³ (17.892 cu in)
72 mm (2.83 in)
72 mm (2.83 in)
5,500 rpm
1 grooved ball bearing/1 roller bearing
Needle bearing
Needle bearing
Cast aluminum
2 rectangular rings
0 ... 0.10 mm (0 ... 0.0039 in)
139