22 TECHNICAL DATA
137
22.1
Engine
22.1.1
TX 125 EU
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
Cast aluminum
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)
36.5 mm (1.437 in)
Primary transmission
23:73
Clutch
Multidisc clutch in oil bath/hydraulically activated
Gearbox
6-gear, claw shifted
Transmission ratio
First gear
12:33
Second gear
15:31
Third gear
17:28
Fourth gear
19:26
Fifth gear
21:25
Sixth gear
20:20
Alternator
12 V, 75 W
Ignition
Contactless controlled fully electronic ignition with
digital ignition adjustment, type Kokusan
Spark plug
NGK BR9 ECMVX
Spark plug electrode gap
0.60 mm (0.0236 in)
Cooling
Water cooling, permanent circulation of coolant by
water pump
Starting aid
Kick starter
22.1.2
TE 150 US
Design
1-cylinder 2-stroke engine, water-cooled, with reed
intake and exhaust control
Displacement
144 cm³ (8.79 cu in)
Stroke
54.5 mm (2.146 in)
Bore
58 mm (2.28 in)
Crankshaft bearing
1 grooved ball bearing/1 roller bearing
Conrod bearing
Needle bearing
Piston pin bearing
Needle bearing
Pistons
Forged aluminum