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So I bought a new bike.... a ZXR750/ZX7R

Discussion in 'Other Projects - Other Bikes (non 250's)' started by Th3_Huntsman, Jul 16, 2014.

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  1. Th3_Huntsman

    Th3_Huntsman Senior Member Contributing Member

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    Luckily I bought some steels when I bought the frictions so I had a spare :)
     
    Th3_Huntsman, Sep 20, 2014
    #181
  2. Phil

    Phil Senior Member Contributing Member

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    Glad I waited to respond re. your steel! Pleased it has all come together for you. As for your "can", sounds great mate :thumb_ups:
     
    Phil, Sep 20, 2014
    #182
  3. Mclaren

    Mclaren Well-Known Member Contributing Member

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    Hard to machine that with out it going out of shape
     
    Mclaren, Sep 20, 2014
    #183
  4. Willrcr15

    Willrcr15 Well-Known Member

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    Not sure about that plate, has it distorted, lay it on a glass table & see if its flat
    She sounds great, I love the lumpy sound when at idle.
     
    • Like Like x 1
    Willrcr15, Sep 21, 2014
    #184
  5. Th3_Huntsman

    Th3_Huntsman Senior Member Contributing Member

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    My dyno run for today :)

    DSC_0345.JPG
     
    • Like Like x 1
    Th3_Huntsman, Sep 27, 2014
    #185
  6. Mclaren

    Mclaren Well-Known Member Contributing Member

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    Did well mate nice to put face to name
     
    Mclaren, Sep 27, 2014
    #186
  7. Th3_Huntsman

    Th3_Huntsman Senior Member Contributing Member

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    Yeah likewise with you Mclaren, good meeting you mate
     
    Th3_Huntsman, Sep 27, 2014
    #187
  8. risky

    risky risky

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    factory spec is 122hp at11,800 rpm.interesting to see output with factory muffler.factory spec would be under ideal conditions.
     
    risky, Sep 27, 2014
    #188
  9. Th3_Huntsman

    Th3_Huntsman Senior Member Contributing Member

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    122 at the crank, and yeah ideal conditions, gotta remember this thing has 90,000kms on it :), I might give the carbs a clean one of these days.
     
    Th3_Huntsman, Sep 27, 2014
    #189
  10. risky

    risky risky

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    still a potent machine
     
    • Like Like x 1
    risky, Sep 27, 2014
    #190
  11. Th3_Huntsman

    Th3_Huntsman Senior Member Contributing Member

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    indeed it is risky :p
     
    Th3_Huntsman, Sep 27, 2014
    #191
  12. Tim_

    Tim_ resident nutcase Contributing Member Dirty Wheel Club

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    Off topic but how did @Mclaren 's bike go?
     
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    Tim_, Sep 27, 2014
    #192
  13. Mclaren

    Mclaren Well-Known Member Contributing Member

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    Didn't forks not back till Tuesday they sat on bench waiting lol but doing run next weekend at same price as it was a 5 day turn around now it 10+ but will post on my thread when she fires up talked to fella who races 250 at Warwick and knows my bike and says it had 43 last time run so fingers crossed it doubled with carb rebuild hahahaha
     
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    Mclaren, Sep 27, 2014
    #193
  14. Th3_Huntsman

    Th3_Huntsman Senior Member Contributing Member

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    Today I replaced the fuel filter and cleaned the air filter and re-oiled it, then went about checking for what would be making it run lean after replacing the pipe so I searched for exhaust leaks ( re torqued a couple of bolts).

    The fuel filter was really dirty I reckon it had been there probably from the factory some 13 years ago. On that basis I inspected the carbs and boy were they sparkling! The joys of a bike that has never sat :). So no reason for the bike running lean other then carb settings.

    I decided after some reading that as early revs and right up top in the rev range were pretty close to allright it was mainly between 3k and 9k that I might be able to get away with just shimming the jet needles. ( for those of you that don't know what this is it involves placing a washer on the tip of the jet needle to so it a little more open thru the whole rev range.

    This has definitely cleaned up the mid range the power delivery doesn't have a surge at all and throttle response is instant again in the mid range :). Micks tyres and dyno are doing another dyno day this month so I might make a run up there for a comparison chart :)
     
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    Th3_Huntsman, Oct 6, 2014
    #194
  15. trent.c

    trent.c Active Member

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    When's the dyno day? I have the r6 going again, I might have to bring it


    Sent from my iPhone using Tapatalk
     
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    trent.c, Oct 6, 2014
    #195
  16. Th3_Huntsman

    Th3_Huntsman Senior Member Contributing Member

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    10570351_839661719397657_6376209420570930783_n.jpg
     
    Th3_Huntsman, Oct 6, 2014
    #196
  17. Th3_Huntsman

    Th3_Huntsman Senior Member Contributing Member

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    So guess who made a rookie error today? Ding that's right it was me......

    Turns out my key comes out with the ignition still on and running late I flicked the killswitch and grabbed my key......

    So yeah completely farked battery, my boss helped me try and clutch start it to no avail, then we tried Jump starting it without success. Got out the multimeter and it was reading 6 volts lol, 4 volts with the ignition on.

    I stole the work van and raced down the local Marshall batteries to grab a highly marked up motobatt $120 I didn't have later. She fires first go so I leave work 70 minutes late then I make it home in record time as I had bowling which I made it with a minute to spare.

    Also after riding a little further today the slight carb adjustment doesn't seem quite enough, it now runs like abit of a pig below 3k rpm it is quite awesome from there on though.....
     
    Th3_Huntsman, Oct 7, 2014
    #197
  18. Linkin

    Linkin The Mechanic Premium Member Contributing Member Dirty Wheel Club

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    At least you won't have to worry about a flat battery for while
     
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    Linkin, Oct 7, 2014
    #198
  19. Th3_Huntsman

    Th3_Huntsman Senior Member Contributing Member

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    I'm charging the old one to keep as a spare in the compartment haha
     
    Th3_Huntsman, Oct 7, 2014
    #199
  20. GreyImport

    GreyImport Administrator Staff Member The Chief Contributing Member

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    Thanx Tyson ... I can always count on you to give me a laugh

    We love bikes ...... :dance2:
     
    GreyImport, Oct 7, 2014
    #200
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