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SERVICE DATA AND SPECIFICATIONS (S.D.S.)

General Specificatlons

Inspection and Adjustment

Cylinder arrangement	4, in-line
Displacement cm’ (cu in)	1,235 (75.36)
Borę and Stroke mm (in)	71 x 78 (2.80 x 3.07)
Valve arrangement	O.H.C.
Firing order	1-3-4-2
Number of piston rings Compression	2
Oil	1
Number of main bearings	5
Compression ratio	9.0

COMPRESSION PRESSURE

Unit: kPa (kg/cm³, psi)/rp.^r

Compression pressure Standard	1,245 (12.7, 1811/350
Minimum	981 (10.0, 1421/350
Differential limit between cylinders	98 (1.0, 141/350

CYLINDER HEAD		Unit: mm lir
	Standard	Limit
Head surface flatness	Less than 0.05 (0.0020)	0.1 (0.004)

Unit: degree

	a b	c	d	e	f
MA12	238° 236°	11°	45°	r	51°