1.

MODEL:

RK125W07 TAG

2.

TYPE:

2 STROKE WATER COOLED SINGLE CYLINDER REED VALVE INDUCTION

3.

CAPACITY:

124cc

4.

BORE:

53.70 ( FIRST PISTON 53.60)

5.

STROKE

54mm

6.

H.P./RPM

28H.P./15,800RPM

7.

CARBURETOR:

TILLOTSEN HL-360A

8.

IGNITION:

PRD EASYSTART C.D.I

9.

IGNITION TIMING:

2.20mm BTDC [STANDARD]

10.

SPARK PLUG:

NIPPON DENSO W27ESU [RUN IN ONLY]
W29ESU [RECOMMENDED RACING]

11.

SPARK PLUG GAP:

0.60mm [0.024”]

12.

FUEL OIL RATIO:

16:1 PREMIUM GRADE UNLEADED PETROL

13.

PISTON TYPE:

COATED PISTON

14.

PISTON CLEARANCE:

0.10mm [STANDARD]

15.

RING TYPE:

DYKES STYLE (L RING)

16.

RING GAP:

0.25mm [0.010”] MIN.

17.

CYLINDER HEAD VOLUME:

10.2cc

18.

COMPRESSION:

12 : 1

19.

CRANKSHAFT:

2 PIECE, FORGED and INDUCTION HARDENED

20.

CONROD:

100mm STEEL CNC MACHINED