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04 GENERAL SPECIFICATION DATA 2 INFORMATION Pistons Clearance in bore, measured at bottom 0,020-0,050 mm ................................... 0.0008-0.0020 in Piston rings Number of compression rings 2 .......................................... Number of control rings 1 .................................................... No 1 compression ring Molybdenum barrel faced ..................................................... No 2 compression ring Tapered and marked ’T’ or ’TOP’ ..................................................... Width of compression rings 1,48-1.49 mm .............................................. 0.058-0.059 in Top 1,21-1,23 mm .......................................................................... 0.047-0.048 in Compression ring gap 0,40-0,65 mm ...................................................... 0.016-0.26 in Top 0.3-0.5 mm .......................................................................... 0.012-0.020 in Oil control ring type Aclonoform .......................................................... Oil control ring width 3,0 mm ......................................................... 0.118 in Oil control ring rail gap 0,38-1,40 mm ..................................................... 0.015-0.055 in Camshaft Location Central ........................................................................... Number of bearings 5 .......................................................... Bearing type Tin-aluminium - Non serviceable ..................................................................... Camshaft end-float 0. ........................................................... Drive Chain 9,52 mm pitch x 54 pitches. ................................................................................. Tappets Type Hydraulic-self-adjusting ................................................................................. Valves Length: Inlet 116,59-117,35 mm .................................. 4.590-4.620 in Exhaust 116,59-117,35 mm ........................... 4.590-4.62 in Seat angle: Inlet 45 ° to 45 ° 25’ .................................. Exhaust 45 ° to 45 ° 25’ ........................... Head diameter: Inlet 39,75-40,00 mm .................................. 1.565-1.575 in Exhaust 34,23-34,48 mm ........................... 1.347-1.357 in Stem diameter: Inlet 8,664-8,679 mm .................................. 0.341-0.342 in Exhaust 8,651-8,666 mm ........................... 0.340-0.341 in Stem to guide clearance: Inlet 0,025-0,066 mm .................................. 0.001-.0026 in Exhaust 0,038-0,078 mm ........................... 0.0015-0.003 in Valve lift (Inlet and Exhaust) 9,94 mm ............................................ 0.391 in Valve spring fitted length at pressure of 29,5 kg, 65 lb 40,4 mm .... 1.590 in Lubrication System type Wet sump, pressure fed ..................................................................... Oil pump type Eccentric rotor ................................................................... Oil pressure at 2400 rev/min with engine 2.1 - 2.8 bar ..................................................... 30 - 40 lb/in 2 Oil filter - internal Wire screen, pump intake filter. .............................................................. Oil filter - external Full flow, self-contained cartridge ............................................................. |