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Suzuki GSX-R 1000 Service Manual: Diagnostic information and procedures

Suzuki GSX-R 1000 Service Manual / Engine / Engine mechanical / 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 compression test. Periodic maintenance records kept at your dealership should include compression readings for each maintenance service.


  •  before checking the engine for compression pressure, make sure that the cylinder head nuts are tightened to the specified torque values and the valves are properly adjusted.
  •  Make sure that the battery is in fullycharged condition.
  1. Warm up the engine.
  2.  Lift and support the fuel tank. Refer to fuel tank removal and installation in section 1g (page 1g- 9).
  3.  Remove the air cleaner box. Refer to air cleaner box removal and installation .
  4.  Remove all the spark plugs. Refer to ignition coil and spark plug removal and installation in section 1h .
  5.  Install the compression gauge and adaptor in the spark plug hole. Make sure that the connection is tight.

Special tool
(a): 0991564512 (compression
(b): 0991563311 (compression gauge

Suzuki GSX-R. Compression pressure check

  1. Keep the throttle grip in the fully-opened position.

Suzuki GSX-R. Compression pressure check

  1. Press the starter button and crank the engine for a few seconds. Record the maximum gauge reading as the cylinder compression.
  2.  Repeat this procedure with the other cylinders.

Compression pressure specification

Suzuki GSX-R. Compression pressure check

Low compression pressure can indicate any of the following conditions:

Overhaul the engine in the following cases:

  1. After checking the compression pressure, reinstall the removed parts.
Throttle cable routing diagram
Throttle cable no. 1 Throttle cable no. 2 Clutch cablev Front brake hose Pass the throttle cables in front of the front brake hose. Pass the clutch ca ...

Repair instructions

Other materials:

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 Caution  the valve seat contact area must be inspected after e ...

Front wheel dust seal / bearing removal and installation
Removal Remove the front wheel assembly. Refer to front wheel assembly removal and installation .  Remove the dust seals using the special tool. Special tool (a): 0991350121 (oil seal remover) Remove the wheel bearings using the special tool. Special tool (b): 099 ...

Sds check
Using sds, sample the data at the time of new and periodic vehicle inspections. After saving the sampled data in the computer, file them by model and by user. The periodically filed data help improve the accuracy of troubleshooting since they can indicate the condition of vehicle function ...

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