Max rpm 13 400
 
Special head ports gas flowed
Titanium valves retainer
Special camshaft timing to obtain the larger range of use
Decompressor camshaft included for easier start : 5039
Provided assembled with valves, camshaft, without left cover
Valves clearance : 0.05 < IN < 0.09mm ;  0.09 < EX < 0.15 mm  
8mm spark plug reference 2090
 and covers to be ordered separately
 
To use with Red Devil ignition set + piston Race
 to obtain the best power and reliability