PR 21C un 3+2
Contents : 3.45cc
Maximum : Power 2.6hp
R.P.M : 37.000rpm
Practical Range: 6.000/40.000rpm
Bore/Stroke : 16.26mm/16.80mm
Ports : 3+2
Crankshaft : 14mm SG
Carburetor : 8mm Glow Plug Type : Turbo
Exhaust Type : Rear
PR21B un 5+2
Contents : 3.45cc
Maximum : Power 2.6hp
R.P.M : 38.000rpm
Practical Range: 6.000/40.000rpm
Bore/Stroke : 16.26mm/16.80mm
Ports : 5+2
Crankshaft : 14mm SG
Carburetor : 8mm Glow Plug Type : Turbo
Exhaust
PR21BS un 5+2
Contents : 3.45cc
Maximum : Power 2.6hp
R.P.M : 38.000rpm
Practical Range: 6.000/40.000rpm
Bore/Stroke : 16.26mm/16.80mm
Ports : 5+2 (modified)
Crankshaft : 14mm SG(PR TUNED)
Carburetor : 8mm Glow Plug Type : Turbo
Exhaust Type : Rear