Suzuki GSX-R 1000 Service Manual: Valve guide replacement

Suzuki GSX-R 1000 Service Manual / Engine / Engine mechanical / Repair instructions / Valve guide replacement

Remove the cylinder head. Refer to “engine top side disassembly” .
Remove the valves. Refer to “cylinder head disassembly and assembly” .
Using the valve guide remover, drive the valve guide out toward the intake or exhaust camshaft side.

Special tool (a): 09916–43211 (valve guide
installer & remover)

Note

discard the removed valve guide subassemblies.
Only oversized valve guides are available as replacement parts. (Part no. 11115- 29G70)

Suzuki GSX-R. Valve guide replacement

Refinish the valve guide holes in the cylinder head using the reamer and handle.

Caution

when refinishing or removing the reamer from the valve guide hole, always turn it clockwise.

Special tool (b): 09916–33320 (valve guide reamer
(9.8 Mm)) (c): 09916–34542 (reamer handle)

Suzuki GSX-R. Valve guide replacement

Cool down the new valve guides in a freezer for about one hour and heat the cylinder head to 100 – 150 °c (212 – 302 °f) with a hot plate.

Caution

do not use a burner to heat the valve guide hole to prevent cylinder head distortion.

Apply engine oil to each valve guide and valve guide hole.
Drive the guide into the guide hole using the valve guide installer.

Caution

failure to oil the valve guide hole before driving the new guide into place may result in a damaged guide or head.

Special tool (a): 09916–43211 (valve guide
installer & remover) (d): 09916–53380 (valve guide
installer attachment)

Suzuki GSX-R. Valve guide replacement

Cylinder head
13.7 – 13.9 Mm (0.54 – 0.55 In) [in and ex]

Suzuki GSX-R. Valve guide replacement

After installing the valve guides, refinish their guiding bores using the reamer. Be sure to clean and oil the guides after reaming.

Note

be sure to cool down the cylinder head to ambient air temperature.
Insert the reamer from the combustion chamber and always turn the reamer handle clockwise.

Special tool (c): 09916–34542 (reamer handle)
(e): 09916–33210 (valve guide reamer
(4.5 Mm))

Suzuki GSX-R. Valve guide replacement

Reassemble the cylinder head. Refer to “cylinder head disassembly and assembly” .
Install the cylinder head assembly. Refer to “engine top side assembly” .

Cylinder head related parts inspection

Refer to “cylinder head disassembly and assembly” . Cylinder head distortion Decarbonize the combustion chambers. Check the gasket surface of the cylinder head for distortion. Use a str ...

Valve seat repair

The valve seats (1) for both the intake and exhaust valves are machined to three different angles. The seat contact surface is cut at 45°. Intake valve Exhaust valve ...

Other materials:

Engine top side assembly
Assemble the engine top side in the reverse order of disassembly. Pay attention to the following points: Cylinder head Install the dowel pins and a new cylinder head gasket (1) to the cylinder. Caution use a new gasket to prevent gas leakage. Place the cylinder head ...

Diagnostic information and procedures
Engine mechanical symptom diagnosis Refer to “engine symptom diagnosis” in section 1a . Compression pressure check The compression pressure reading of a cylinder is a good indicator of its internal condition. The decision to overhaul the cylinder is often based on the results of a compressio ...

Piston ring removal and installation
Removal Remove the piston. Refer to “engine bottom side disassembly” . Carefully spread the ring opening with your thumbs and then push up the opposite side of the 1st ring to remove it. Note do not expand the piston ring excessively since it is apt to be broken down. ...