Mechanical Specifications

GENERAL SPECIFICATIONS

Cylinder Bore
Diameter 79 mm (3.1 inch)
Out of Round - Maximum 0.0065 mm (0.00025 inch)
Taper - Maximum 0.0065 mm (0.00025 inch)
Crankshaft
Main Journal - Diameter - All 55 mm (2.17 inch)
Taper - Maximum 0.005 mm (0.0001 inch)
Out of Round - Maximum 0.004 mm (0.0001 inch)
Main Bearing Clearance - All 0.026-0.042 mm (0.001-0.00165 inch)
Crankshaft End Play 0.1 mm (0.003 inch)
Connecting Rod
Journal - Diameter - All 43 mm (1.69 inch)
Taper - Maximum 0.005 mm (0.00019 inch)
Out of Round - Maximum 0.004 mm (0.00015 inch)
Rod Bearing Clearance - All 0.019-0.07 mm (0.0007-0.0027 inch)
Rod Side Clearance 0.07-0.242 mm (0.0027-0.009 inch)
Piston
Diameter 78.970 mm (3.07 inch)
Clearance to Bore 0.03 mm (0.0012 inch)
Piston Rings
Ring, End Gap - Top Compression 0.15-0.3 mm (0.006-0.012 inch)
Ring, End Gap - Second Compression 0.3-0.5 mm (0.012-0.019 inch)
Groove Clearance - Top Impression 0.05-0.09 mm (0.0019-0.0035 inch)
Groove Clearance - Second Compression 0.06-0.10 mm (0.0024-0.0039 inch)
Piston Pin
Diameter 18 mm (0.708 inch)
Pin Off-Set 0.5-0