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Project MC18 Project - Brisbane

Discussion in 'Your 250cc Projects' started by Duggs63, Jul 26, 2013.

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  1. risky

    risky risky

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    My Bike:
    honda ca77, megelli x2,fzr yamaha x 5 ,maxim,cb750.cb600 hornet,zxr250,marusho magnum electra.
    look at the vjmc site and your details will be sent to the nearest branch. club rego is a good way to go.
     
    • Thanks! Thanks! x 1
    risky, Jun 26, 2018
    #181
  2. Duggs63

    Duggs63 Well-Known Member

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    My Bike:
    1988 MC18 NSR250, 2007 1098s Tricolore, 2016 2-stroke Grom
    So after doing the wire splice delimiting (which was SUPER easy!), I got the old girl onto the dyno this weekend.

    dyno.jpg

    This was the result:
    36780194_10156538581799727_3986906978533244928_n.jpg

    Has anyone had much to do with 2-stroke tuning based on AFRs? I have had some good feedback from a FB page i am on where the consensus is AFRs before power-band aren't reliable due to turbulence in the expansion chamber and the addition of lubricant. I would be interested to hear more about this?

    I also have an EGT gauge on the way to help with some fine tuning and avoid excessive temps (and hopefully a seizure).

    Thanks guys,
     

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    • Winner Winner x 2
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    Duggs63, Jul 8, 2018
    #182
  3. TonyZXR

    TonyZXR Well-Known Member

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    55 hp atw is awesome . Weren`t they supposed to be 60 at the crank ?
     
    TonyZXR, Jul 8, 2018
    #183
  4. Frankster

    Frankster Grey Pride...Adventure before Dementia Staff Member Premium Member Ride and Events Crew

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    56.5rwhp should be at least 60bhp at the crank. I'm told that Dyno runs can give different results depending on the manufacturer, so figures may vary.
     
    Last edited: Jul 9, 2018
    Frankster, Jul 9, 2018
    #184
  5. Duggs63

    Duggs63 Well-Known Member

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    My Bike:
    1988 MC18 NSR250, 2007 1098s Tricolore, 2016 2-stroke Grom
    I'm not sure what the figure quoted by Honda was back in the day, but a stock restricted one makes about 45whp... So i am pretty happy with the results! :D
     
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    Duggs63, Jul 12, 2018
    #185
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