josh.evans
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| posted on 25/7/14 at 06:19 PM |
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5jj engine
Anyone know where to get a 5jj engine need one ASAP none on ebay. .
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zx12r dug
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| posted on 25/7/14 at 07:20 PM |
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Try malc at yorkshire engines theres not much he doesnt have
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CosKev3
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| posted on 25/7/14 at 08:48 PM |
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Full 4xv package in for sale section, not sure on differences?
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metro6r4
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| posted on 25/7/14 at 10:11 PM |
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I have a 4xv complete with carbs and a k+ N filter and uprtated clutch up for sale for the right price I can throw in a spare engine for rebuilding
and a manual
as far as I am aware the 5jj has a slightly better gearbox and runs injection instead of carbs but they should be interchangeable I may be wrong
however
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metro6r4
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| posted on 25/7/14 at 10:38 PM |
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stand corrected according to my Haynes manual there on carbs its the 5pw's that are on injection
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StevieB
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| posted on 26/7/14 at 08:49 AM |
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I think the main differences is in the gearbox as said, but the 5jj also has an emission re circulation contraption that I don't think the 4xv
has. No doubt there's a few tweaks in the ecu etc too.
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Minicooper
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| posted on 26/7/14 at 09:09 AM |
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From Wikipedia
At 127.8 horsepower (95.3 kW) at the rear wheel, top-end output remained the same, but changes to the engine management system were intended to result
in a smoother, broader distribution of power.
Mechanically, the carburetors were re-jetted in an effort to improve throttle response, especially in the low end, all the way up to the bike's
11,750 rpm redline. The redesigned camshafts were lightened and used internal oil ways to lubricate journals that, when combined with reduced tappet
clearance, provided less friction and created less engine noise. The gearbox received a taller first gear, a hollow chrome-moly shift-shaft with an
additional bearing and a completely redesigned shift linkage and foot pedal. These changes were aimed at eliminating problems with the transmission in
earlier models, and to help to seamlessly transfer the bike's power to the road.
David
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