4F SQ Bottom End 1931-36
For gasket sets click here; individual gaskets click here; pistons click here; for oil, oil pipes and unions click here; for ball bearings click here.
Part No. | Description | Per | Years |
1062-31 | Coupling gears, sold as pair | 1 | 1931-37 |
1062-33A | Nut joining crank halves together | 3 | 1931-36 |
1082-31 | Big end bearing, small | 4 | 1931 |
1082-31 | Big end bearing, small | 3 | 1932-36 |
1082-32 | Big end bearing, large | 1 | 1932-36 |
1200-31 | Main bearing, unbranded. For branded see 1200-31B | 2 | 1931-36 |
1200-33 | Main bearing (use 1200-31 and Loctite) | 2 | 1933-36 |
1260-32 | Shock absorber spring | 1 | 1931-35 |
1431-31 | Main bearing (use 1200-31 and Loctite) | 1 | 1931-36 |
1463-31 | Camshaft bearing, unbranded. For branded see 1463-31B | 1 | 1931-36 |
1544-31 | Dowel for between crankcases halves & cylinder | 4 | 1931-36 |
1596-33 | Oil filter cap nut | 1 | 1933-36 |
1937-31 | Timing chain | 1 | 1931-36 |
1958-31 | Cam chain | 1 | 1931-36 |
2021-31A | Patent plate | 1 | 1931-36 |
2021-31U | Cover | 1 | 1931-36 |
2059-31 | Inspection plug, chain covers | 2 | 1931-36 |
2096-53 | Fibre case screw washer (stops oil leaks) | 1931-36 | |
2110-31 | Tensioner blade, timing chain | 1 | 1931-36 |
2111-31 | Tensioner blade | 1 | 1931-36 |
2114-31 | Tensioner blade spring | 1 | 1931-36 |
2115-31 | Tensioner blade spring | 1 | 1931-36 |
2118-31 | Tensioner blade, pin | 2 | 1931-36 |
2120-31 | Timing chain fibre rubbing strip | 1 | 1931-36 |
2122-31 | Timing chain fibre rubbing strip rivet | 3 | 1931-36 |
2154A-31 | Oil pressure spring | 1 | 1931-36 |
SN-3 | Tensioner blade stop nut | 1 | 1931-36 |
Case screws Individual screws may be ordered but for convenience the contents of each set are listed. Sets with a ‘Q’ suffix are in stainless steel.
Set No. | 03 | 09 | 011 | 020 | 021 | 022 | |
Length | 11/16 | 1 11/16 | 1 3/16 | 2 1/8 | 1 3/8 | 1/2 | |
1931-36 | CS05 | 5 | 2 | 1 | 2 | 3 | 8 |
1931-36 | CS05Q | 5 | 2 | 1 | 2 | 3 | 8 |
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