Suzuki GSX-R 1000 Service Manual: Engine top side disassembly
It is unnecessary to remove the engine assembly from the frame when servicing the cylinder head cover and camshafts.
| Note before servicing the engine top side components (until camshafts removal) with the engine in place, remove the following parts:
Other parts except for these “engine top side components” can not be serviced with the engine installed in the frame. Refer to “engine assembly removal” and “engine assembly installation” . |
| Caution identify the position of each removed part. Organize the parts in their respective groups (e.G., Intake, exhaust) so that they can be reinstalled in their original positions. |
Cylinder head cover
- Remove the spark plugs. Refer to “ignition coil and spark plug removal and installation” in section 1h .
- Remove the cylinder head cover (1) and its gasket.
- Remove the dowel pins and o-rings.
Camshafts
- Remove the valve timing inspection cap (1).
- Turn the crankshaft to bring the line “a” on the ckp sensor rotor to the slit “b” of cap hole thread and also to bring the camshafts to the position as shown.
- Remove the cam chain tension adjuster (2).
- Remove the gasket (3).
- Remove the cam chain guide no. 2 (4).
- Remove the camshaft journal holders (5).
| Caution be sure to loosen the camshaft journal holder bolts evenly by shifting the wrench in the descending order of numbers. |
- Remove the dowel pins.
- Remove the intake camshaft (6) and exhaust camshaft (7).
Cylinder head
| Note the cylinder head can not be serviced with the engine installed in the frame. |
- Disconnect the water bypass hose (1).
- Remove the cylinder head bolts (m6) (2).
- Remove the cylinder head bolts (m10) and washers.
| Note when loosening the cylinder head bolts, loosen each bolt little by little diagonally. |
- Remove the cylinder head.
- Remove the dowel pins and cylinder head gasket (3).
Engine assembly installation
Install the engine in the reverse order of engine removal.
Pay attention to the following points:
before installing the engine, install the collars (1).
Before installing the en ...
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 ...
Other materials:
Engine oil level check
Check the engine oil level as follows:
Place the motorcycle on level
ground on the side stand.
Start the engine and allow it to
idle for a few minutes.
Stop the engine and wait three
minutes.
Hold the motorcycle vertically
and check the oil level through
...
Air cleaner box removal and installation
Removal
Lift and support the fuel tank. Refer to “fuel tank
removal and installation” in section 1g (page 1g-
9).
Remove the air cleaner box cover. Refer to “air cleaner element removal
and installation” .
Remove the air cleaner mounting bolt.
Remove the air clea ...
DTC “c41” (p2505): ecm power input signal
malfunction
Detected condition and possible cause
Detected condition
Possible cause
C41/P2505
No voltage is applied to the ecm.
Lead wire/coupler connection of ecm terminal to fuel
fuse.
Fuel fuse.
Wiring diagram
Troubleshooting
C ...