Royal Enfield Interceptor 650 - Service manual > Cylinder Head

• Remove oil temperature sensor.

CAUTION Cylinder bolts are one time usage only. Always use new head bolts during installation. Dispose old head bolts suitably.

• Loosen and remove 8 Nos. Hex head bolts (M10) (a) in crisscross pattern on cylinder head.

• Support cam chain suitably and gently remove cylinder head (a) from cylinder barrel (b).

• Remove the cylinder head gasket (a) from cylinder barrel (b).

Components from Cylinder Head

Valves and Springs

• Compress valve spring with special tool (a).

• Remove the cotters (a) on valve stem at the top.

• Gently loosen the screw on valve spring com- pressor, till the valve spring tension is completely released and remove the special tool.

CAUTION Valve spring under high tension when compressed.

Release valve spring compressor tool slowly and with care.

• Remove the retainer, valve spring (a) from the top of the valve spring (b).

• Remove valve spring (a) from valve stem (b).

• Remove valve (a) from cylinder head (b) by pulling it out from the cylinder head inside.

• Remove valve stem seal (a) from valve guide (b).

• Follow the same procedure to remove the other valves from the cylinder head.

Floating Chain Pad

• Remove the floating chain pad (a) from front end of the cylinder barrel.

Cylinder Barrel

• Slightly tilt and gently remove the cylinder barrel (a) from crankcase (b).

Pistons

• Remove the circlip (a) from piston.

• Gently push out the gudgeon pin (a) to release the piston.

• Repeat the procedure for other piston.

Oil Pressure Switch

• Loosen and remove pressure switch (a) along with washers (b) from bottom of the crankcase RH.

Oil Pan

• Support upper crankcase on suitable wedges such that the oil pan is facing upwards.
• Loosen and remove the 13 Nos. Hex bolts (M6) (a) in crisscross pattern from sump.

• Remove sump cover (a) along with gasket (b) from bottom crankcase.

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