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1
GENERAL INFORMA
TION
23
GB
ENGINE
Type ....................................................Single-cylinder, 2-stroke, liquid cooled
and electric start
Bore x stroke RR 25.0 ............................................................ 66,4 x 72 mm
Bore x stroke RR 300 ............................................................... 72 x 72 mm
Displacement (cm
3
) RR 25.0 ............................................................ 249 cm
3
Displacement (cm
3
) RR 300 ......................................................... 293,1 cm
3
Compression ratio RR 25.0 ............................................................... 12,8:1
Compression ratio RR 300 .................................................................. 12:1
Carburetor .................................................................................. see table
RR 250
RR 300
Version
Certif. Competition* Certif. Competition*
Carburetor type
PWK 36S AG
PWK 36S AG
Main jet
118 165. 118 165.
Slow jet
35. 35. 38 38
Start jet
50
85. 5.0 85.
Needle
N84K N0ZK N84K N2ZW
Needle position (from top)
3°+1/2 2° 4° 2°
Air screw turns (from all closed)
1 + 3/4 1+1/4
2
1+1/4
Striker
YES NO YES NO
*
- Such modification makes the vehicle non-compliant with the road regulations in force. Its use must be limited to the
sole priivate circuits which are closed to circulation.
Summary of Contents for RR 2T 2013
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