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Thread: May be worse than I thought.

  1. #1
    Superbike Twin 999Gav's Avatar
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    May be worse than I thought.

    I had an "incident" on Saturday, The bike decided to clatter to a dead stop, Engine dead...

    At first I thought my gearbox had exploded, But then realised I had downshifted while coasting with the clutch in after it clattered and died, So that should rule it out.

    So now this leaves me thinking I may have dropped a valve, The engine wont turn over freely, so if a valve dropped it's likely to be wedged between the piston and the bore...
    After some intense thinking, i recall noticing my cam chain was a bit more noisy than usual over previous weeks(Taking longer to build pressure or rattling randomly). Could I have skipped a tooth on the cam and smashed a valve to pieces...

    Has anybody else had a problem which sounds like this?



    More importantly, Does anybody have a spare engine they want to get rid of? or buy my entire bike for spares

  2. #2
    Superbike Twin oli216's Avatar
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    My bike is knackered too, took it to the shop and it had blown a valve, the bike shop didn't know what to suggest, after some research and speaking to various people it turns out my only option is to get someone to strip the engine apart, check the damage and rebuild it if its ok. The 2 options I ended up with were Griff from Aprilia Perfromance or John from BikersWorld, in East Grinstead. I went with John because he was closer. The bike is at his now waiting for him to get back from holiday, then he can look at it properly. Worse case it will cost me 4000. I am going to sell the bike once fixed. No one was interested in buying broken the bike for parts

  3. #3
    Superbike Twin oli216's Avatar
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    forgot to mention that Griff and John have spare engines

  4. #4
    Superbike Twin 999Gav's Avatar
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    Jesus! 4000!!! It would be cheaper to buy the rsv4 factory engine on Fleabay (3000) than cough that out. I think i will be visiting Griff for his help on this.

  5. #5
    Superbike Twin 999Gav's Avatar
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    I will have to Ask Griff about the spare engine...

  6. #6
    Superbike Twin Dave V4's Avatar
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    out of interest, what mileage did this happen, the more I read the quicker I want rid lol

  7. #7
    Superbike Twin oli216's Avatar
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    mine went at about 19,000 miles

  8. #8
    Superbike Twin 999Gav's Avatar
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    Mine has 16500 miles

  9. #9
    WSB Pit boss Aldo's Avatar
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    Scary shit fuds,,,,,,,,,,,hope the sort don't hurt to much mucker.

  10. #10
    Superbike Twin
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    Makes for scary reading! Did you both get the big valve service done at 12k miles too?

  11. #11
    Superbike Twin oli216's Avatar
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    yeah, I bought the bike at 13,000 and they did the valve clearance check before i picked it up (they had to adjust a valve), then did the interim service at 18,000 then 1000ish later it was blown

  12. #12
    One Litre Duc Eater
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    Thought the V4 would have been sorted by now , bit like the charging systems on the V2 s only worse . Keep us all informed please .

  13. #13
    Superbike Twin 999Gav's Avatar
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    I had my valves done bang on time at 12000, So its a mild shock to find it has dropped a valve.

    I pulled a plug and stuck my inspection camera down there last week, It looks very messy. Rear right cylinder is fecked. Top end rebuild is required and new cylinder for sure, Im just hoping that when the valve wedged itself between the piston and bore it didnt bend the crank too, Otherwise its got to be stripped to the bottom too...

    Griff has me booked in for a couple weeks time, I will ask him if he can take a few photos of the bit as they come out so I can share here

  14. #14
    Superbike Twin oli216's Avatar
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    My engine was stripped down last night, the internal bore is knackered, my bike needs a new engine

  15. #15
    Superbike Twin oli216's Avatar
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    forgot to mention the garage hasn't got any spare engines, does any one have an engine to sell in the UK?

  16. #16
    Superbike Twin 999Gav's Avatar
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    I think CMC in Chichester had a 1100 engine with a knackered bottom end but all top end was fine, Might be able to create an 1100 if the barrels fit.

    Or you could give Griff a call and see if he has the spare parts to rebuild?

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