Number Per Set


Number Per Set
Part No. Description R S L C M Drawing No. Remarks
E1/4 Crankcase Drive Side - - - 1 1 M.O.64
E2/4 Crankcase Timing Side - - - 1 1 M.O.64
E3/6S Flywheel and Mainshaft Drive Side - - - 1 1
E3/7S Flywheel and Mainshaft Timing Side - - - 1 1
E4/3 Crankpin - - - 1 1 500 c.c. Model.
E4/3S Big End Assembly (fitted to Conrod) - - - 1 1 Includes crankpin nuts.
E4/3S/1 Big End Assembly (fitted to Conrod polished) - - - 1 1 Includes crankpin nuts.
E4/3AS Flywheel Assembly, Complete with Conrod and Bearing. - - - 1 1
F4/3AS/1 Flywheel Assembly, Complete with Conrod and Bearing (Polished). - - - 1 1
E5PM Big End Liner part-machined. 2 2 2 1 1 M.O.11 Export market only.
E6/2AS Con Rod Assembly with Big End Liner and Small End Bush. 2 - - 1 1 M.O.11
E6/3AS Conrod Assembly with Big End Liner and Small End Bush (Polished). - 2 - 1 1 M.O.11
E7/6AS/30 Piston Assembly Complete .030" oversize. 2 - - - 1 Specialloid.
E7/7AS Piston Assembly Complete with Rings, Gudgeon Pin and Circlips. 2 2 - 1 1 M.O.15. Theoretical Compression Ratio 7.3 to 1.  Hepolite
E7/7AS/10 Piston Assembly Complete .010" oversize. Hepolite.
E7/7AS/20 Piston Assembly Complete.020" oversize. Hepolite.
E7/8AS Piston Assembly Complete with Rings, Gudgeon Pin and Circlip. 2 2 - 1 1 M.O.15. Theoretical Compression Ratio 8 to 1. Hepolite.
E7/8AS/10 Piston Assembly Complete.010" oversize. Specialloid.
E7/9AS Piston Assembly Complete with Rings, Gudgeon Pin and Circlips. - - 2 - - Theoretical Compression 9 to 1.  Hepolite.
E7/11AS Piston Assembly Complete with Rings, Gudgeon Pin and  Circlips. - - 2 - - Theoretical Compression 13 to 1.    Specialloid.
E8/1 Gudgeon Pin, Heavy. - 2 - - - M.O.15. Use with E7/9, E7/10, E7/11 pistons only. IMPORTANT NOTE. When ordering piston rings specify whether piston is 'Heplex' or 'Specialloid".  Hepolite rings for 'Heplex' pistons. Wellworthy rings for 'Specialloid' pistons.
E9 Piston Ring, Compression for E7/7 and E7/8 Pistons only. 4 4 - 2 2 M.O.15. Hepolite and Wellworthy. See note above.
E9/0/10 Piston Ring Compression .010" oversize. Hepolite and Wellworthy, See note above,
E9/0/20 Piston Ring Compression .020" oversize. Hepolite, See note above.
E9/0/30 Piston Ring Compression .030" oversize. Wellworthy. See note above.
E9/1 Piston Ring Scraper 2 2 - 1 1 M.O.15. Hepolite and Wellwortby, See note above.
E9/1/10 Piston Scraper .010" oversize. Hepolite and Wellwortby. See note above*
E9/1/20 Piston Ring Scraper.020" oversize. Hepolite. See note above,
E9/1/30 Piston Ring Scraper.030" oversize. Wellworthy. See note above.
E9/2 Piston Ring Compression Lapped Side - - 4 - - For E7/9, E7/10, E7/11 only. Hepolite and Wellwortby, See note above.
E9/3 Piston Ring Scraper - - 2 - -   For E7/9, E7/10, E7/11 only. Hepolite and Wellworthy. See note above,
E9/5 Vacrom Compression Ring 2 2 - 1 1 Hepolite Pistons only. E7/7, E7/8.
E10 Gudgeon Pin Circlip 4 4 4 2 2 M.O.15.
E14/1 Roller Separator 8 8 8 4 4 M.O.11
E15 Big End Roller 270 270 266 135 135 M.O.11
E16 Big End Side Plate 2 2 2 2 2 M.O.11
E23 Small End Bush 2 2 2 1 1 M.O.11 Export market only.
E50/4 Idler Gear Intermediate - - - 1 1 M.O.64
E54 Mag Pinion Nut Rev. Counter - - 1 - -
E57 Crankpin Nut 2 2 2 2 2 M.O.11
E62 Name Plate - - - 1 1 M.O.64
E76 Shim .031" M.O.16 As Required.
E76/1 Shim .062" M.O.16 As Required.
E76/2 Shim .093" M.O.16 As Required.
E76/3 Shim .005" M.O.16 As Required.
E76/4 Shim .010" M.O.16 As Required.
E80 Nut Hex. Thin  3/4" x 20 T.P.I. 10 10 10 10 10 M.O.01, 22, 11, 21
E81 Half Time Pinion Key 1 1 1 1 1 M.O.13.
E87 Idler Shaft Boss Stud 3 3 3 3 3 M.O.13.
E87/1 Steady Plate Stud 3 3 3 2 2 M.O.13.
E91 Ball Bearing 2 2 2 1 1 M.O.64
E95 Thrust Washer 1/2" 3 3 3 2 2 M.O.13.
E106 Clutch Inspection Cover Gasket - - - 1 1 M.O.64
E109/5 Crankcase Stud - - - 2 2 M.O.64
E109/6 Crankcase Stud - - - 1 1 M.O.65
E109/7AS Crankcase Bolt 1 1 1 2 2 M.O.65
E109/8AS Crankcase Bolt - - - 1 1 M.O.65
E109/10 Dynamo Clamp Stud - - - 1 1 M.O.64
E109/11 Crankcase Stud - - - 1 1 M.O.65
E128 Mills Pin 3/16" 2 2 2 2 2 M.O.11
E212 Steady Plate - - - 1 1 M.O.64
E215 Engine Sprocket - - - 1 1
E216 Engine Sprocket Spacer - - - 1 1
E216/1 Engine Sprocket Spacer - - - 1 1 Plus E229, E230, G24, Plus 4 screws 845 are required to fit a drive side mainshaft oil seal to single cylinder models.
E217 Cable Anchor Sleeve - - - 1 1 M.O.64
E218 Exhaust Lifter Cable Anchor - - - 1 1 M.O.64
E219 Exhaust Lifter Adjuster Locknut - - - 1 1 M.O.64
E220 Exhaust Lifter Adjuster Screw - - - 1 1 M.O.64
E221 Valve Lifter Link - - - 1 1 M.O.64
E222 Dynamo Clamp Bolt - Long - - - 1 1 M.O.64
E223 Lifter Return Spring - - - 1 1 M.O.64
E224 Dynamo Boss Seal - - - 1 1 M.O.64
E228 Dynamo Pinion - - - 1 1 M.O.64
E229 Mainshaft Oil Seal Holder - - - 1 1 See E216/1 Remarks.
E230 Oil Seal Holder Gasket - - - 1 1 See E216/1 Remarks.
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