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Thread: What class will this fit into?

  1. #76
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    One could sit and worry about such things, or one could just buy a legal bike.
    Heinz Varieties

  2. #77
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    6th February 2009 - 18:53
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    Quote Originally Posted by CHOPPA View Post
    I have been thinking for a while on someway that this rule is not so clear cut.....

    If a forza non race bike comes out with a 155cc engine its not legal to race it as it started out life larger then the required 150cc however if it was a 150cc it could be modified to a 155cc.

    Now on that same rational you shouldnt be allowed to destroke a 185cc engine or fit a smaller barrel to a 150cc 2stroke engine because it started life out as a 185cc etc....

    At the moment the "clear ruling" is that I could de-stroke a 185cc engine to 150cc then bore that to 158cc so technically I could take the 155cc engine put a 125cc barrel on it then do a mod and take it out to 155cc??
    Rules will always be open to interpretation.
    But I think your over-thinking it.

    As for the taking a 185cc engine to 150cc then boring it to 158cc. that is getting hairy.
    As I understand it the 8 odd cc are there to allow an engine to be rebored not neccesarily the class capacity limit. That is 150cc.
    I can see your line of thinking.
    People will always exploit the rules to the very edge of legal. And fair enough too.

    I would be interested to know what capacity people that have destroked/debored engines have taken them down to. the class capacity limits or the limits for a rebored engine?

    These are just my views and are by no means THE RULES. best check with the appropriate authorities.

  3. #78
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    5th November 2007 - 14:46
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    Quote Originally Posted by sidwyz View Post
    Rules will always be open to interpretation.
    But I think your over-thinking it.

    As for the taking a 185cc engine to 150cc then boring it to 158cc. that is getting hairy.
    As I understand it the 8 odd cc are there to allow an engine to be rebored not neccesarily the class capacity limit. That is 150cc.
    I can see your line of thinking.
    People will always exploit the rules to the very edge of legal. And fair enough too.

    I would be interested to know what capacity people that have destroked/debored engines have taken them down to. the class capacity limits or the limits for a rebored engine?

    These are just my views and are by no means THE RULES. best check with the appropriate authorities.
    I think thats why MNZ let this class be self policed because the rules are so open to interpretation really its whoever has been racing the longest would be right....

    The point im making is that it looked like the 155ho engine could have been a viable option for a relatively cheap plug and play engine option that could be mildly competitive and also there is a guy thats already out there racing one so I dont think its fair that an engine be illegal on a small technicality thats not across the board

  4. #79
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    Quote Originally Posted by koba View Post
    One could sit and worry about such things, or one could just buy a legal bike.
    What is a legal bike?

    Is a bike that is destroked or has a smaller displacement then standard not legal?

  5. #80
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    Quote Originally Posted by CHOPPA View Post
    What is a legal bike?

    Is a bike that is destroked or has a smaller displacement then standard not legal?
    A legal bike is defined in the rules.

    There is nothing in the rules to exclude such an engine thus making it legal (IMO).

    I would say reducing a larger engine to 150-158cc would be shaky ground and open to protest, 150 or less seems perfectly legit to me.
    Heinz Varieties

  6. #81
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    22nd December 2005 - 07:02
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    I know the rest of the country gets a bit anal on the rules and regs the only problem I see is when there's tupperware up for grabs like the GP. If it was up to me you ride what you bring and if you're light years faster than the rest we break your knee caps. The sport is fun for new riders to old has-beens (like me)yes we have a fast bunch of guys riding hard but we are all friends and enjoy what we have. As Bayden would say (and does) you're only a cheat when you're caught. Build it race it enjoy it if you think that a title of GP champ is you then make it legal.
    It's not what you ride but how you ride it!!

  7. #82
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    Quote Originally Posted by fi5hy View Post
    ....we break your knee caps.
    Hahaha, one of mine's been broken already, so sweet

  8. #83
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    Quote Originally Posted by fi5hy View Post
    I know the rest of the country gets a bit anal on the rules and regs the only problem I see is when there's tupperware up for grabs like the GP. If it was up to me you ride what you bring and if you're light years faster than the rest we break your knee caps. The sport is fun for new riders to old has-beens (like me)yes we have a fast bunch of guys riding hard but we are all friends and enjoy what we have. As Bayden would say (and does) you're only a cheat when you're caught. Build it race it enjoy it if you think that a title of GP champ is you then make it legal.
    That is a good attitude

  9. #84
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    Quote Originally Posted by Moooools View Post
    In 4 years i will hopefully be a qualified mechanical engineer and work will begin on my koba beating perfect bucket engine.

    Perhaps a tandem twin 100 two stroke.
    Or a v twin.
    or something diesel and turbo.


    Watch your back sir.
    A good friend of mine (and a real 2-stroke guru) down in ChCh back in the early 90's got a Suzuki T90 crankcase and machined it to accept two RG50 barrels but in a V-configuration.
    One of those very promising ideas but didn't get finished. Unfortunately it was lost in Trevor Pierce's shop fire.

    That would have been quite a machine.


    "...you meet the weirdest people riding a Guzzi !!..."

  10. #85
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    Trust me I have looked at a spare set of RG cases & wondered if I could machine/bolt up an additional crankcase section to an RG.

    But the T engine is antiquated, big heavy & only 5 speed. Bird made a GT125 with 2 water cooled MB50 cylinders. Crazyman on here has that still.
    Don't you look at my accountant.
    He's the only one I've got.

  11. #86
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    look what i saw at the 2 hour
    Click image for larger version. 

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    "Instructions are just the manufacturers opinion on how to install it" Tim Taylor of "Tool Time"
    “Saying what we think gives us a wider conversational range than saying what we know.” - Cullen Hightower

  12. #87
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    Quote Originally Posted by Buckets4Me View Post
    look what i saw at the 2 hour
    Click image for larger version. 

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    Howd it go? looks cool!

  13. #88
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    Bike No. 26, Riders - Ivan Smith, Mark Addison, Bike - FMX140, Qualified 21st with a 34.23sec lap, Finished 13th on 199 Laps

    So not to bad.

    During the race I can remember passing them a few times, but that is about it. I did note that during practice on Saturday that in a straight line it seemed to have comparable pace to a standard FXR, but was just to slow through the corners to be much of a worry.

    For the record Qkkid was in my bed, not the other way round

    Quote Originally Posted by Yow Ling View Post
    Pumba is a wise man.

  14. #89
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    So has 14th through last place protest the cheats on their competition bike?

  15. #90
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    4th February 2005 - 07:32
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    Nope and unless they start doing well, pissing people off or causing accidents with the slightly odd lines / low corner speeds it isn't likely. However if anyone ever does protest will be pretty open and shut case. Be an arse to go to the expense and hassle of sourcing and setting up to be told to sod off at some stage when for the same amount of coin and sweat you could keep it legal and probably be more competitive.

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