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MONKEY125 JB03-1000001-
Product Detail
Specification
Without Cam[Material]
Aluminum steel sleeve cylinder
[Bore Diameter]
54mm
[Stroke]
63.1mm (stock)
[compression ratio]
11.2:1
[Installation time]
1.6H
Description
You can enjoy the full torque of the output performance that is not stock.
■S Stage Big Bore Kit 145cc
By changing the cylinder and piston, the displacement can be changed from the stock 124cc to 145cc.
When installed together with FI-CON TYPE-X (Injection Controller), it delivers a torquey output characteristic different from stock.
Since the cylinder can be equipped with SP M5 temperature sensor, the cylinder temperature can be measured by separately purchasing a thermometer (compact LED thermometer with M5 temperature sensor).
■S Stage Big Bore Kit 145cc
By changing the cylinder and piston, the displacement can be changed from the stock 124cc to 145cc.
When installed together with FI-CON TYPE-X (Injection Controller), it delivers a torquey output characteristic different from stock.
Since the cylinder can be equipped with SP M5 temperature sensor, the cylinder temperature can be measured by separately purchasing a thermometer (compact LED thermometer with M5 temperature sensor).
Caution
*When S-stage big bore kit is installed, FI-CON TYPE-X (Injection Controller) must be installed at the same time.For competition use only.
*Related to the installation of a big bore kit
The crankshaft is subjected to increased torsion and deflection due to the significant increase in engine power and torque caused by the SP Takegawa big bore kit.SP TAKEGAWA recommends to install crankshaft support adapter at the same time to reduce the load on the crankshaft.The Crankshaft Support Adaptor adds ball bearing support to the end of the flywheel side of the crankshaft to reduce twisting and deflection and to increase the durability of the crankshaft.
*There may be changes in product specifications due to the manufacturer's reasons.
Applicable Models
MONKEY125 JB03-1000001-
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