GENERAL SPECIFICATION DATA

04

GENERAL SPECIFICATION DATA

2

INFORMATION

Gudgeon pins

Type

Fully floating, offset towards piston thrust side.

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Piston rings

Type

Upper compression

Barrel edge, chrome plated

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Lower compression

Taper faced

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Oil control

Bevelled ring with spring

................................................................

New ring to groove clearance

Upper compression

Not measured

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Lower compression

0.050 - 0.082 mm (0.002 - 0.003 in)

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Oil control

0.050 - 0.082 mm (0.002 - 0.003 in)

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Piston ring fitted gap in cylinder bore

Upper compression

0.30 - 0.45 mm (0.0118 - 0.0177 in)

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Lower compression

0.40 - 0.60 mm (0.0157 - 0.0236 in)

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Oil control

0.25 - 0.40 mm (0.0098 - 0.0157 in)

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Camshaft

Drive

Duplex chain

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End float

0.6 - 0.16 mm

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Number of bearings

6

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Tappets

Type

Hydraulic lash adjusters with followers

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Valves

Stem diameter

Exhaust

6.905

±

0.008 mm (0.271

±

0.0003 in)

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Inlet

6.915

±

0.008 mm (0.272

±

0.0003 in)

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Head diameter

Exhaust

31.7 mm (1.25 in)

...................................................................

Inlet

34.7 mm (1.37 in)

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Seat face angle

Exhaust

45

°

...................................................................

Inlet

30

°

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Valve face angle

Exhaust

44

°

48’

±

12’

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Inlet

29

°

48’

±

12’

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Valve springs

Type

Parallel, single coil

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