Helicoil spark plug thread |
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Helicoil three BSF threads in base of head |
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Rebore & hone twin cylinder barrel both bores, |
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Shot blast and paint twin cylinder barrel |
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Camshafts stellited and re-ground (per lobe) |
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Camfollowers re-ground and polished (1) |
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Gearbox re-builds (labour only) |
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Oil pump service (labour) |
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Convert MK2 front isolastic cradle to MK3
specification |
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Bore/fit cylinder liners, then hone (1) (includes
liner skimming) |
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Rebore cam follower tunnels to suit oversize
followers (both) |
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Convert your 850 cylinder barrel to 920, parts and
labour, includes skimming, blasting/painting and all parts |
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Grind layshaft to convert to needle roller or ball
bearing |
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Skim cylinder barrel |
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Skim cylinder head |
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Aluminium welding, components MUST be clean (approx
per inch) |
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Bore out and gas flow commando inlet ports, fit new
colsibro inlet guides and re-cut value seats |
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Machine and fit proper oil seal to gearchange shaft
in outer cover (includes seal) |
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Machine and fit proper oil seal to kickstart shaft
in outer cover (includes seal) |
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Fit 4 new valve guides and re-cut value seats (to
bare head) includes guides (cast iron) |
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Grind camshaft journals to suit needle roller
bearing |
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Bore out and gas flow commando exhaust ports, fit
new colsibro exhaust guides and re-cut value seats |
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Fit and line ream camshaft bushes (including bushes) |
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Dismantle crankshaft, clean & rebuild with new
studs, nuts & washers |
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Re-balance crankshaft (rods/pistons required) |
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Re-grind twin cylinder crankshaft |
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Helicoiling, standard British threads available as
follows: 3/8 BSC,
3/8 UNF, 3/8 BSF 3/8 BSW, 5/16 BSW 5/16 BSC 5/16 UNF 1/4 BSW 1/4
BSF |
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Fit new shaft to your 040111 gear change ratchet
(including shaft) |
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Reline and reduce bore in master cylinder ( improves
feel & pressure resulting in a much superior front brake) All
we require is body (cleaned), lever, & pivot bolt, these are
done in batches every two months |
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Fit new stem to post 71 commando yoke
(includes stem) |
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Convert starter motor to four brush specification,
parts and labour |
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