gttman
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| posted on 6/3/06 at 10:53 PM |
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I was told by Chris that the spare R1 engine I bought from him was dyno'd at 161wrhp..... is this realistic and worth replacing the bent valves
to get in?
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cossey
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| posted on 6/3/06 at 11:16 PM |
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what year and what has it had done to it?
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Browser
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| posted on 7/3/06 at 01:27 PM |
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The new Kwack ZZR1400 looks good, 190bhp (rumoured, I think, at present) @9500 rpm, so it would be more like a high-revving car engine and it's
meant to have been tuned for torque. Only trouble is it's not out 'till next month so supplies of second-hand motors may be a
little limited at present
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cossey
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| posted on 7/3/06 at 03:53 PM |
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sounds worth repairing is its only valvetrain damage.
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gttman
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| posted on 8/3/06 at 05:47 AM |
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Maybe worth doing then, guess I really need to strip it and check its only valves before I make a decision...... the list of things to do after the
SVA is getting longer. (reverse gear, Race engine etc. )
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cossey
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| posted on 8/3/06 at 08:02 AM |
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i would take the head off and check the surface of the pistons, then take the cams out and check them for surface wear and delamination thn check the
head for damage around the valve guides.
it should only take an hour if you read the service manual and should be well worth it.
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OX
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| posted on 8/3/06 at 06:55 PM |
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an hour pmsl,it will take you 20 mins to get the old gasket off.
i dont suppose you write the service time limit for yamaha do you
[Edited on 8/3/06 by OX]
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