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Suzuki GSX-R 1000 Service Manual: Cooling system inspection

Inspect cooling system every 6 000 km (4 000 miles, 6 months)

Replace engine coolant every 2 years

Engine coolant level inspection

  1. Hold the motorcycle vertically.
  2.  Check the engine coolant level by observing the “f” and “l” lines on the engine coolant reservoir tank. If the level is below the “l” line, add engine coolant to the “f” line from the engine coolant reservoir tank filler (1) behind the right side cowling. Refer to “exterior parts removal and installation” in section 9d .

Suzuki GSX-R. Engine coolant level inspection


Suzuki GSX-R. Engine coolant level inspection


Engine coolant change

Refer to “engine coolant description” in section 1f .

Do not open
the radiator cap when the engine is hot, as you may be injured by escaping hot liquid or vapor. Engine coolant may be harmful if swallowed or if it comes in contact with skin or eyes. If engine coolant gets into the eyes or in contact with the skin, flush thoroughly with plenty of water. If swallowed, induce vomiting and call physician immediately.
  1. Remove the right side cowling. Refer to “exterior parts removal and installation” in section 9d .
  2.  Remove the radiator cap (1).

Suzuki GSX-R. Engine coolant change


  1. Drain engine coolant by disconnecting the radiator outlet hose (2) and cylinder inlet hose (3).

Suzuki GSX-R. Engine coolant change


  1. Flush the radiator with fresh water if necessary.
  2.  Reconnect the hoses.
  3.  Pour the specified engine coolant up to the radiator inlet.

Engine coolant capacity (excluding reservoir) 2 500 ml (2.6/2.2 Us/lmp qt)

  1. Bleed air from the cooling circuit.
  2.  After changing engine coolant, reinstall the removed parts.

Air bleeding from the cooling circuit

  1. Remove the side cowlings. Refer to “exterior parts removal and installation” in section 9d (page 9d- 6).
  2.  Add engine coolant up to the radiator inlet.
  3.  Support the motorcycle upright.
  4.  Slowly swing the motorcycle, right and left, to bleed the air trapped in the cooling circuit.
  5.  Add engine coolant up to the radiator inlet.
  6.  Start up the engine and bleed air from the radiator inlet completely.
  7.  Repeat the procedures 5) to 6) until no air bleeds from the radiator inlet.
  8.  Lift and support the fuel tank. Refer to “fuel tank removal and installation” in section 1g (page 1g- 9).
  9.  Loosen the air bleeder bolt (1) and (2), then check the engine coolant flows out.

Suzuki GSX-R. Air bleeding from the cooling circuit


  1. Tighten the air bleeder bolt.

Tightening torque water pump air bleeder bolt: 13 n·m (1.3 Kgf-m, 4.5 Lbf-ft)

  1. Close the radiator cap securely.
  2.  After warming up and cooling down the engine several times, add the engine coolant up to the full level of the reservoir.
Caution


make sure that the radiator is filled with engine coolant up to the reservoir full level.

  1. Reinstall the removed parts.

Radiator hose inspection

Check the radiator hoses for crack, damage or engine coolant leakage. Refer to “water hose inspection” in section 1f .

Pair system inspection
Inspect pair system every 12 000 km (7 500 miles, 24 months) Inspect the pair (air supply) system periodically. Refer to “pair system inspection” in section 1b . Throttle valve synchronization ...

Clutch cable play inspection and adjustment
Inspect clutch cable play every 6 000 km (4 000 miles, 12 months) Inspect and adjust the clutch cable play “a” as follows. Clutch cable play “a” 10 – 15 mm (0.4 – 0.6 In) Lift and support ...

Other materials:

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 ...

Air bleeding from brake fluid circuit
Air trapped in the brake fluid circuit acts like a cushion to absorb a large proportion of the pressure developed by the master cylinder and thus interferes with the full braking performance of the brake caliper. The presence of air is indicated by “sponginess” of the brake lever and also by la ...

Engine bottom side disassembly
Note the crankcase must be separated to service the crankshaft and conrod. Remove the engine assembly from the frame. Refer to “engine assembly removal” .  Remove the engine top side (1). Refer to “engine top side disassembly” . Crankcase breather (pcv) cover R ...

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