KEEWAY RKV125 User Manual

Measure the roundness of cylinder inner wall.
（internal diameter difference between X direction and
Y direction）.
Allowable limit: 0.05mm.
Measure the cylindricity of inner wall of cylinder.
(internal diameter difference of three positions (upper,
intermediate and lower) along X direction or Y
direction).
Allowable limit: 0.05mm.
Check flatness of cylinder surface.
Allowable limit: 0.05mm.
Measure Connecting rod small end ID.
Allowable limit: 14.06mm.
13.4.2 Installation of piston
Install location pin.
Apply engine oil evenly on each piston ring and piston. Install
piston to its place with bevel upward.
* Attention:
Piston shall not be scratched and piston ring shall not be
broken.
When the piston ring is installed, it can rotate freely in the
piston ring groove.
Ruler
Cylinder
Testing gauge
Connecting rod small end ID
Top ring
Second ring
Oil 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