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Gidday from the Gold Coast

Discussion in 'New Members Say Gday' started by Woodsa, Feb 13, 2014.

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  1. Woodsa

    Woodsa Member

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    Hi there we thought we would join up for some friendly chat and some advise along the way.. Having troubles with our 250vt honda spada.. It's lacking power at high revs around the 7000 mark and only at high revs has a loud rattle .. I do need to replace the air filter as it is really badly clogged up but has anybody else had this problem .. . . ? Cheers
     
    Woodsa, Feb 13, 2014
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  2. Murdo

    Murdo The Good Doctor Staff Member Contributing Member Ride and Events Crew

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    Welcome Woodsa. The air filter could be restricting the intake at higher revs. Re the rattle, are you using premium petrol? Is the rattle only at higher revs or at all revs?
     
    Murdo, Feb 13, 2014
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  3. Woodsa

    Woodsa Member

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    hi murdo,
    Thanks for the welcome and you reply..
    we use regular unleaded I think its 91.. the rattle is only present at high revs at low revs it is not herd at all
    cheers woodsa
     
    Woodsa, Feb 13, 2014
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  4. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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    :welcome: to the community

    There could be something sinister going on in the engine but best to check the simple and cheap stuff first.

    If the air filter is bad .... how are the rest of the maintenance items?

    Oil changed, oil filter , fuel filter (if it has one) , spark plugs ?

    Has the tank ever been cleaned out? ... is there rust inside?

    Carbys ever been cleaned out/rebuilt?
     
    GreyImport, Feb 13, 2014
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  5. Woodsa

    Woodsa Member

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    we have checked the plugs and given them a clean they are all good, we are going to change the air filter and oil filter plus change the oil and give the carbi a good clean this weekend .. the petrol tank is all good there is no rust inside that we can see.. we are doing what you said check all and clean change all the cheap stuff first . we will give this all a go and then see what the engine tells us lol cheers
     
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    Woodsa, Feb 13, 2014
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  6. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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    Also pull the plug leads and unscrew the caps off the leads ..... a good idea is to snip 2 or 3 mms off the lead so there is nice new wire for the cap to screw back into ..... when replacing make sure the cap screw goes into the centre and not off centre into the rubber of the lead .... check also for corrosion in the 'clip' inside the cap that goes onto the plug top.
     
    GreyImport, Feb 13, 2014
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  7. Woodsa

    Woodsa Member

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    Thank you Greylmport we will do all those things also thank you we appreciate your advise
     
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    Woodsa, Feb 13, 2014
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  8. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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    GreyImport, Feb 13, 2014
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  9. Phil

    Phil Senior Member Contributing Member

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    Hi Woodsa

    Welcome to the forum. Honda VT250, great bike and really nice ride.
    The information given to you by Murdo and Greyimport is spot on, my concern relates more to the rattle at high rpm's.

    Once the oil has been drained and replaced with fresh oil, would like to know if the rattle persist, should it disappear you can put it down to poor maintenance by the previous owner. Lets cross that bridge when we come to it.

    Dirty or blocked air cleaner can have a dramatic effect on the performance of your ride, again with the new air cleaner installed, let us know what transpires with the power delivery.

    Keep us posted on your progress once you undertaken these tasks, we will have a better idea then.:thumb_ups:
     
    Phil, Feb 13, 2014
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  10. Woodsa

    Woodsa Member

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    hello again,
    hubby is home and he is asking if there is any way to check if the main bearing on the crack sharft is buggered?
    cheers
     
    Woodsa, Feb 13, 2014
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  11. kiffsta

    kiffsta Senior Member

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    Hey Woodsa

    Out of curiosity, can you check its runing on both cylinders ? I had a VTR with the similar symptoms and its was running on 1 cylinder

    thanks

    Chris
     
    kiffsta, Feb 13, 2014
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  12. Woodsa

    Woodsa Member

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    checking that right now chris
     
    Woodsa, Feb 13, 2014
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  13. Murdo

    Murdo The Good Doctor Staff Member Contributing Member Ride and Events Crew

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    A big end or crank bearing would make a knocking noise at idle.
     
    Murdo, Feb 13, 2014
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  14. Woodsa

    Woodsa Member

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    started the bike and pulled the front spark plug lead off and the engine died reconnected it and started it again and then took the back spark plug lead off and the engine died. Checked that there is spark coming from both plugs and that fuel is getting both carbys also checked the timing and it is right ..the rattle starts at about 5000 revs and does not rattle at all on idle. not sure what to check next other than guessing that it is the bearing ..
     
    Woodsa, Feb 13, 2014
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  15. Murdo

    Murdo The Good Doctor Staff Member Contributing Member Ride and Events Crew

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    Cam chains?
     
    Murdo, Feb 13, 2014
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  16. Phil

    Phil Senior Member Contributing Member

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    I concur, sounds like cam chain.
     
    Phil, Feb 13, 2014
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  17. kiffsta

    kiffsta Senior Member

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    hmmm, could it be a blocked main jet on one cylinder? on idel the pilot would be doing the work , but under revs the jet could blocked and starving the cylinder of fuel ?

    any chance of posting a video to youtube ?
     
    kiffsta, Feb 13, 2014
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  18. Woodsa

    Woodsa Member

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    trying to get footage of it running on utube for you all.. we are looking at the cam chains and tensioners now and we are not sure on what to look for, we are reading up on them in the manual ..
     
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    Woodsa, Feb 14, 2014
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  19. Woodsa

    Woodsa Member

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    this is a utube video of it running.. it has no air cleaner in it at this point and you can hear the rattle at high revs.. hope this link works ..
     
    Woodsa, Feb 14, 2014
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  20. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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    Change the settings in youtube to public :thumb_ups:
     
    GreyImport, Feb 14, 2014
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