Here are the specific tools required to open and maintain your nitro engines
Reference 08107051
Brand: HUDY
Hudy Proffesional Engine Tool Kit For .21 Engine - 107051
Reference 33PODC
Brand: OPTIMA
Piston Sleeve Disassembly Tool - PODC
Reference 08107063
Brand: HUDY
Collet 13 For Rb & Sh Engine Bearing - 107063
Reference 37TT-091
Brand: T-WORKS
Flywheel Puller - TT-091
Reference 38LRP37330
Brand: LRP
Flywheel Remove Tool - World Champion Edition - 37330
Reference 08107050
Brand: HUDY
Hudy Proffesional Engine Tool Kit For .12 Engine - 107050
Reference 08107064
Brand: HUDY
Collet 14 For .21 Engine Bearing - 107064
Reference 08107072
Brand: HUDY
Bearing Presser Adapter For .12 Engine - Set - 107072
Reference 08107073
Brand: HUDY
Bearing Presser Adapter For .21 Engine - Set - 107073
Reference 08107084
Brand: HUDY
Support Bushing O18 For .12 Engine - 107084
Reference 08107021
Brand: HUDY
Hudy Universal Conrod Puller .12 / .21 - 107021
Reference 08107062
Brand: HUDY
Collet 11.5-12mm For .12 Engine Bearing - 107062