KEEWAY RKV125 User Manual

13.4 Piston
13.4.1 Removal
Remove piston pin retainer.
* Attention: Please do not drop the retainer into crankcase
during removal.
Take out piston pin and remove piston.
Remove piston ring.
Inspect piston, piston pin and piston ring.
* Attention: Please do not break or hurt piston ring.
Remove deposited carbon inside the piston ring.
Install the piston ring.
Measure the clearance between piston ring and piston ring
groove.
Allowable limit: Top ring: 0.09mm.
Second ring: 0.09mm.
Remove piston ring and install all the piston rings onto bottom
of cylinder.
* Attention: Compress piston rings into the cylinder with
piston head.
Measure the joint clearance between piston rings.
Allowable limit: 0.5mm.
Piston pin ring, piston pin
Testing gauge
Piston
Push
Piston ring
Testing gauge
Piston ring

KEEWAY RKV125 Specifications

General

Engine Type	Single cylinder, 4-stroke, air-cooled
Fuel System	Carburetor
Transmission	5-speed
Front Suspension	Telescopic fork
Front Brake	Disc
Rear Brake	Drum
Cooling System	Air-cooled
Seat Height	770 mm
Weight	135 kg
Fuel Tank Capacity	17 L
Rear Suspension	Dual shock absorbers