Cylinder Yamaha YBR 125 to 180cc XiuRDI

From the engine builder Xiu Rdi comes this 180cc oversized kit for YBR 125 engines. It increases the power of your engine, improves acceleration and top speed, and you will need to machine the crankcase to fit the cylinder neck.

To fit this large cylinder you will need to machine the crankcase to fit the cylinder neck. In the instructions you will find the measurements to do it. It is always recommended to use a professional workshop. Then you need to adjust the carburettor to compensate the increase of volume in the cylinder.

This type of 125cc air cooled engine is used for several motorbikes in the market such as: Yamaha YBR, Rieju Tango, GasGas Randonné... It does not include cylinder head, fit with the original cylinder head.

For two valve cylinder heads.

Cylinder head not included, fit with the original cylinder head.

wARNING! Only valid for carburettor engines.

For the following models:

YAMAHA

• XT R 125 4T-AIR (07-08)

• XT X 125 4T-AIR (07-08)

• YBR 125 4T-AIR (05-13)

Rieju

• RS2 125cc

• SMX 125cc

• Marathon 125cc

• MRT 125cc

• Tango

MOTORHISPANIA

• MH7 125cc

• DUNA 125cc

SHERCO

• CITY CORP 125cc

GAS GAS

• Trial trekking 125cc

• PAMPERA 125cc

PEUGEOT

• XPS 125cc

DERBI

• SENDA 125cc

BETA

• RR 125CC

HUSQVARNA

• CH RACING 125 4T WSM

• CH RACING 4T 125

Assembly instructions