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Образование CYLINDER HEAD ENG
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F-5

CYLINDER HEAD ENG

CYLINDER HEAD REMOVAL

b1. Align:

• Mark “T” §a on the rotor

a(with stationary pointer §b on the crankcase

cover)

NOTE:

Turn the steering clockwise with a wrench and align the “T” mark with the cylinder head match mark when the piston is at TDC on the compression stroke.

2. Loosen

• Bolt Ø

3. Remove

1• Timing chain tension assembly

• Timing chain tension gasket

4. Remove

2• Cam sprocket Ø (Support rotor)

Rotor holding tool: 90890-01235

2. Check:

Cylinder head

Repair if scratched or damaged

3. Measure:

• Cylinder head warping

If it does not conform to specification, resurface it

Cylinder head warping: less than 0.03mm

************************************************************ Procedure for measuring and resurfacing war- ping:

Place a straightedge and a feeler gauge across the cylinder head

Measure the warping

If the warping is beyond the specified limits, resurface the cylinder head

Place a 400-600grit wet abrasive paper on the surfa- ce plate, and resurface the head using a figure-eight sanding pattern.

NOTE:

Fasten a safety wire to the timing chain to prevent it from falling into the crankcase

5. Remove:

• Cylinder head

NOTE:

Rotate the cylinder head several times for an even resurfacing

NOTE:

Loosen the nuts in a criss-cross fashion 1

Start by loosening each nut —( turn until all are loose


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  • - CYLINDER HEAD ENG

    F-5 CYLINDER HEAD ENG CYLINDER HEAD REMOVAL b1. Align: • Mark “T” §a on the rotor a(with stationary pointer §b on the crankcase cover) NOTE: Turn the steering clockwise with a wrench and align the “T” mark with the cylinder head match mark when the piston is at TDC on the compression stroke. 2. Loosen • Bolt Ø 3. Remove 1• Timing chain tension assembly • Timing chain tension gasket 4. Remove 2• Cam sprocket... [читать подробенее]