Takegawa super head 4V+R 145 (145cc)

Product number: 01-05-0644 

DESIGNED AND MANUFACTURED BY TAKEGAWA FOR

● HONDA MSX GROM 125 (2021-2025)

● HONDA MONKEY 125 (2021-2025)

● HONDA CT 125 (2023)

And other models using the same HONDA 110-125cc engine platform (2021-2025) with suitable engine control unit (ECU), mapping and many other supporting parts

Detailed installation instructions list in Japanese (click here)

Detailed installation instructions for each part in English

+ Cylinder head (click here)

+ Cylinder kit (click here)

● Recommended parts prepare separately:

a/ Engine internals:

+ Takegawa crankshaft support adapter, cam chain, oil pumps and clutch springs

b/ Intake and fueling:

+ Takegawa G-1 fuel injector: 00-00-0487

+ Throttle body and manifold kit

c/ Ignition, engine control

+ ECU, mapping 

d/ Engine crankcase ventilation, blow-by management

+ Oil catch can, oil return kit

e/ Exhaust

+ Suiltable exhaust system

Product details:

● Takegawa recommended engine oil:

+ HONDA ULTRA G2 10W-40 SL MA

● Minimum oil standard requirement

+ API: SG 

+ JASO: MA

+ SAE: Choose the recommend oil vicosity according to the enviroment temperature where the vehicle is use (details in instruction manuals mentioned above)

Recommended spark plug:

● Standard

+ NGK ER8EH (included in the kit)

+ NGK ER8EHIX (optional; NGK Iridium IX spark plug)

+ Denso IY24 (optional; Denso Iridium Power)

● Optional

+ NGK ER9EH

+ NGK ER9EHIX (optional; NGK Iridium IX spark plug)

+ Denso IY27 (optional; Denso Iridium Power)

Big bore kit specification

● Cylinder head type: SOHC 4 valves

+ Intake valve diameter: 25mm

+ Exhaust valve diameter: 21.5mm

● Engine dispalacement: 144.5cc

+ Bore diameter: 54mm

+ Stroke length:  63.1mm

+ Static compression ratio: 12.0:1

* The information had been translated by Sagobi Team please mention the source when copy