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+ ATV KAYO AU125

Engine

18 diagrams191 parts1 in stock

All AU125 parts →All model categories

KAYO AU125

Cylinder head cover

Diagram — Cylinder head cover

#	Part	Part no.	Price	Stock
1	Cylinder head cover		on order	on order
2	Right cylinder head cover		on order	on order
3	Left cylinder head cover		on order	on order
4	Valve cover		on order	on order
5	Cylinder head cover gasket		on order	on order
6	Right cylinder head cover gasket		on order	on order
7	Left cylinder head cover gasket		on order	on order
8	Cap nut		on order	on order
9	Steel washer		on order	on order
10	Copper washer		on order	on order
11	Washer		on order	on order
12	O-ring		on order	on order
13	Bolt		on order	on order
14	Bolt		on order	on order
15	Spark plug		on order	on order
16	Bolt		on order	on order

Cylinder head

Diagram — Cylinder head

#	Part	Part no.	Price	Stock
1	Cylinder head assy		on order	on order
2	Cylinder head gasket		on order	on order
3	Intake elbow		on order	on order
4	Elbow gasket		on order	on order
5	Stud		on order	on order
6	Connecting bolt		on order	on order
7	Bushing		on order	on order
8	Insulation gasket		on order	on order
9	Rectangular seal ring		on order	on order
10	Bolt		on order	on order
11	Insulation gasket		on order	on order
12	Carburetor gasket		on order	on order

Camshaft and valves

Diagram — Camshaft and valves

#	Part	Part no.	Price	Stock
1	Valve oil seal		on order	on order
2	Camshaft assy		on order	on order
3	Valve rocker arm assy		on order	on order
4	Rocker arm shaft		on order	on order
5	Intake valve		on order	on order
6	Exhaust valve		on order	on order
7	Valve outer spring		on order	on order
8	Valve inner spring		on order	on order
9	Valve spring retainer		on order	on order
10	Valve cotter		on order	on order
11	Valve spring seat		on order	on order
12	Camshaft limit plate assy		on order	on order

Timing chain and tensioner

Diagram — Timing chain and tensioner

#	Part	Part no.	Price	Stock
1	Camshaft sprocket		on order	on order
2	Timing chain		on order	on order
3	Chain tensioning arm assy		on order	on order
4	Chain tensioning roller I		on order	on order
5	Tensioning arm pin shaft		on order	on order
6	Chain tensioner spring		on order	on order
7	Chain tensioner assy		on order	on order
8	Chain tensioner roller shaft II		on order	on order
9	Chain guide roller assy		on order	on order
10	Chain guide roller pin shaft		on order	on order
11	Chain tensioning roller II		on order	on order
12	Aluminum washer		on order	on order
13	Threaded plug M14		on order	on order
14	Hex head bolt (full thread)		on order	on order
15	Aluminum washer		on order	on order

Cylinder

Diagram — Cylinder

#	Part	Part no.	Price	Stock
1	Cylinder		on order	on order
2	Cylinder gasket		on order	on order
3	Connecting bolt		on order	on order
4	Cylinder damping rubber B		on order	on order
5	Dowel pin		on order	on order
6	Cylinder damping rubber A		on order	on order
7	Dowel pin		on order	on order
8	Rectangular seal ring		on order	on order
9	Rectangular seal ring		on order	on order
10	Ring bushing		on order	on order
11	Cylinder damping rubber C		on order	on order

Right crankcase cover

Diagram — Right crankcase cover

#	Part	Part no.	Price	Stock
1	Right crankcase cover		on order	on order
2	Right crankcase cover gasket		on order	on order
3	Oil level dipstick		on order	on order
4	Clutch release lever assy		on order	on order
5	Clutch cam plate assy		on order	on order
6	Clutch push rod assy		on order	on order
7	Oil pipe spring		on order	on order
8	Clutch adjusting bolt		on order	on order
9	Bolt		on order	on order
10	O-ring		on order	on order
11	Right decorative cover with logo		on order	on order
12	Dowel pin		on order	on order
13	Bolt		on order	on order
14	Bolt		on order	on order
15	Oil pipe		on order	on order
16	Washer		on order	on order
17	Cross recessed raised countersunk head screw		on order	on order
18	Bolt		on order	on order

Clutch

Diagram — Clutch

#	Part	Part no.	Price	Stock
1	Clutch		on order	on order
2	End cover		on order	on order
3	Drive gear shaft bushing		on order	on order
4	Primary drive gear		on order	on order
5	Primary driven gear assy		on order	on order
6	Spacer		on order	on order
7	End cover gasket		on order	on order
8	Screw		on order	on order
9	Round nut		on order	on order
10	Dish washer		on order	on order
11	Lock washer		on order	on order
12	Nut		on order	on order
13	O-ring		on order	on order

Magneto

Diagram — Magneto

#	Part	Part no.	Price	Stock
1	Magneto rotor assy		on order	on order
2	Magneto stator assy		on order	on order
3	Magneto wire holder		on order	on order
4	Nut		on order	on order
5	Bolt		on order	on order
6	Bolt		on order	on order
7	Sensor wire pressing plate		on order	on order
8	Screw		on order	on order
9	Bolt		on order	on order
10	Gear indicator wire		on order	on order
11	Gear indicator moving contact		on order	on order
12	Indicator wire pressing plate		on order	on order
13	Hex socket bolt		on order	on order
14	Hex head bolt		on order	on order

Left crankcase cover

Diagram — Left crankcase cover

#	Part	Part no.	Price	Stock
1	Dowel pin φ8×12×φ7		on order	on order
2	Left crankcase cover gasket		on order	on order
3	O-ring φ6.8×1.9		on order	on order
4	Small view hole cap		on order	on order
5	O-ring φ13.8×2.5		on order	on order
6	Bolt M6×32		on order	on order
7	Left front crankcase cover		on order	on order
8	Bolt M6×50		on order	on order
9	O-ring φ27.4×2.4		on order	on order
10	Large inspection hole cap		on order	on order
11	Bolt M6×70		on order	on order
12	O-ring φ107×2		on order	on order
13	Oil retaining disc		on order	on order
14	Oil seal 30×42×4.5		on order	on order
15	Screw M6×16		on order	on order
16	Left rear crankcase cover		on order	on order
17	Bolt M6×28		on order	on order

Oil pump

Diagram — Oil pump

#	Part	Part no.	Price	Stock
1	Oil pump assy		on order	on order
2	Oil pump gasket		on order	on order
3	Cross recessed countersunk head screw		on order	on order
4	Cross recessed countersunk head screw		on order	on order
5	Dowel pin		on order	on order
6	Oil strainer assy		on order	on order
7	Oil strainer spring		on order	on order
8	O-ring		on order	on order
9	Valve cover		on order	on order

Starter overrunning clutch

Diagram — Starter overrunning clutch

#	Part	Part no.	Price	Stock
6	Oil seal		on order	on order
7	Hex head bolt (full thread)		on order	on order

Starter

Diagram — Starter

#	Part	Part no.	Price	Stock
1	Bolt		on order	on order

Left crankcase half

Diagram — Left crankcase half

#	Part	Part no.	Price	Stock
1	Cylinder stud A		on order	on order
2	Bearing 6001		on order	on order
3	Bearing 6203		on order	on order
4	Breather hose		on order	on order
5	Bolt M6×55		on order	on order
6	Dowel pin φ10×14		on order	on order
7	Bolt M6×70		on order	on order
8	Bolt M6×65		on order	on order
9	Oil seal 17×29×5		on order	on order
10	Oil seal 11.6×24×10		on order	on order
11	Overflow pipe clamp		on order	on order
12	Left crankcase half		on order	on order
13	Damper sleeve (long)		on order	on order
14	Damper sleeve (short)		on order	on order

Right crankcase half

Diagram — Right crankcase half

#	Part	Part no.	Price	Stock
1	Bearing 6201		on order	on order
2	Bearing 6203		on order	on order
3	Crankcase gasket		on order	on order
4	Right crankcase half		on order	on order
5	Cylinder stud B (195 mm)		on order	on order
6	Damper sleeve (short)		on order	on order

Crankshaft and piston

Diagram — Crankshaft and piston

#	Part	Part no.	Price	Stock
1	Crankshaft connecting rod assy		on order	on order
2	Piston ring set		on order	on order
3	Piston		on order	on order
4	Piston pin		on order	on order
5	Piston pin circlip		on order	on order

Transmission

Diagram — Transmission

#	Part	Part no.	Price	Stock
1	Main shaft assy		on order	on order
2	Countershaft assy		on order	on order
3	Drive sprocket		on order	on order
4	Drive sprocket fixing plate		on order	on order
5	Bolt M6×8		on order	on order
6	Reverse idle gear assy		on order	on order
7	Reverse shaft bushing		on order	on order
8	Dowel pin φ8×12		on order	on order
9	Reverse shaft retainer plate		on order	on order
10	Bolt M6×22		on order	on order
11	Reverse shaft		on order	on order

Kick starter and gearshift mechanism

Diagram — Kick starter and gearshift mechanism

#	Part	Part no.	Price	Stock
1	Gearshift drum assy		on order	on order
2	Gearshift shaft comp		on order	on order
3	Retainer plate assy		on order	on order
4	Return spring set bolt M8×34		on order	on order
5	Retainer plate return spring		on order	on order

Engine assy

Diagram — Engine assy

#	Part	Part no.	Price	Stock
1	Engine C125		on order	on order
1	Engine assy		on order	on order
2	Flange bolt M8*20		on order	on order
2	Flange bolt M8*20		on order	on order
3	Spring washer Φ8132		on order	on order
4	Flat washer Φ8161.5		on order	on order
4	Flat washer		on order	on order
5	Manual gearshift lever		on order	on order
5	Manual gearshift lever		on order	on order
6	Raised gearshift pattern decal		on order	on order

Lock nut

Lock nut

UAH 13