Specifications

1041 GENERAL SPECIFICATION DATA
Piston rings
Number of compression .....................................
Number of oil ..................................................
No. 1 compression ring .......................................
No. 2 compression ring.. .....................................
Width of compression rings .................................
Compression ring gap ........................................
Oil ring type ....................................................
Oil ring gap .....................................................
Oil ring width. ..................................................
2
1
Chrome parallel faced
Stepped to
'L' shape and marked 'T' or 'TOP'
1,56 - 1,59 mm (0.0615 - 0.0625 in)
0,44 - 0,57 mm (0.017 - 0.022 in)
Perfect circle, type 98
- 6
4,811
mm (0.1894 in) max
0,38 - 1,40 mm (0.015 - 0.055 in)
Camshaft
Location ......................................................... Central
Bearings
......................................................... Non - serviceable
Number of bearings
........................................... 5
Drive
.............................................................
Chain 9,52 mm (0.375 in) pitch x 54pitches
.. Valves
Length:
Inlet ...........................................................
Exhaust.. .....................................................
Inlet ...........................................................
Exhaust.. .....................................................
Inlet ...........................................................
Exhaust.. .....................................................
inlet ...........................................................
Exhaust .......................................................
Inlet ...........................................................
Exhaust .......................................................
Valve lift (inlet and exhaust). ...............................
Valve spring length fitted ....................................
Seat angle:
Head diameter:
Stem diameter:
Stem to guide clearance:
......
0 $3
116,59 - 117,35 mm (4.590 - 4.620 in)
116,59 - 117,35 mm (4.590 - 4.620 in)
39,75 - 40,OO mm (1.565 - 1.575 in)
34,226
- 34,480 mm (1.3475 - 1.3575 in)
8,664
- 8,679 mm (0.3411 - 0.3417 in)
8,651
- 8,666 mm (0.3406 - 0.3412 in)
0,025
- 0,066 mm (0.0010 - 0.0026 in)
0,038
- 0,078 mm (0.0015 - 0.0031 in)
9,49 mm (0.374 in)
40,4 mm (1.590 in) at pressure of 293 kg (65 lbs)
Lubrication
System ...........................................................
System pressure, engine warm at 2400 rpm .............
Wet sump, pressure fed
2,l- 2,8 kgf cm2 (30 - 40 Ibf in2)
Oil filter (external). ........................................... Full - flow, self - contained cartridge
Oil filter (internal)
............................................ Gauze. Pump intake filter
Oii pump type
.................................................. Gear
Oil pressure reIief valve
Type .............................................................. Non - adjustable
Relief valve spring:
Free length
...................................................
Compressed length at 4,2 kg (9.3 lb) load ............
81,2 mm (3.2OO in)
45,7 mm (1.800 in)
Oil filter by - pass valve
Type ............................................................... Non - adjustable
By
- pass valve spring:
Free length
................................................... 37,5 mm (1.48 in)
Compressed length at
0,34 kg (0.75 lb). ............... 22,6 mm (0.89 in)
2