MAX-21XR-B has come back with update!

SPecifications:
Displacement:3.49cc
Bore:16.27mm
Stroke:16.80mm
Practical RPM:4,000-40,000
Output:2.45ps/2.42hp/33,000 r.p.m
Weight:380g

Included:

2282 carburetor
6 mm and 7 mm carb restrictors
T-2090 silencer

75mm Manihold
exhaust seal and dust cap set
P3 glow plug