Thunder Tiger CORP. -- GP-25 NO.9020

GP-25

Item No. 9020
Specification
Displacement(c.c. / cu.in.) 4.07 c.c. / .248 cu.in. 
Bore(mm / in.) 18.0 mm / 0.709 in. 
Stroke(mm / in.) 16.0 mm / 0.630 in. 
Practical R.P.M.(R.P.M.) 2,500 ~ 16,000 rpm 
Output(BHP/RPM) 0.60 BHP / 15,000 RPM 
Weight(g/oz) 241.8 g / 8.53 oz 

Introduction

The GP series engines are equipped with maintenance-free bronze bushings, Schnuerle porting, a non-ring piston, an easily adjusted air bleed carburetor, and a safe angular needle valve.