Honda NSR125 on All Kart

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karte_m0lim

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Hi guys ...

its been a while .. after my old projects ended ... let's not way i wanted (mz250 seized, my nephew crashed gx140) it was tiem for new project ..

so first I got honda nsr 125 ccm engine .. 6 gears, 25 HP and planned to put it on mz250 chassis but in meanwhile got ALL cart chassis ..

as it it is very tight and not too much space, I had to use JS..

it is geared now to have 100 km/h on 9 000 rpm in 6th gear..

but still have problems with carburetor so newer get it running clean ..

anyway , video and few pic below ...

https://www.youtube.com/watch?v=wnblw-WFcuQ&t=104s
 

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karte_m0lim

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...
 

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karte_m0lim

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Hi guys ..

it's been a while ..

in meantime project was mostly standing still :p

finally got kart running, had problems with carb, jackshaft and at the end, piston broke..

anyway , it is fixed now .. here is video, you can find a it more on mine YT.

as I often spoke here with myself, if someone is interested, I can add few pics as well..

https://www.youtube.com/watch?v=rnUvsAteImA
 

karte_m0lim

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Didnt measure speed, but on last video cca 70 km/h in 5th gear.. Should do 95 in 6th if my gearing is calculated right.

It has no power below 7 000 rpm ac RC valve is missing
 

karte_m0lim

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Hi guys..

its been a year since last post so small update..

in past year my millage was none :p

wind kick trampoline on kart, broke cooler, water tank and few more bits ..

anyway, few new bits on pictures below ..

edit. and new carb ..
 

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karte_m0lim

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It could be worst..

Waiting for gps speedometer from china..

It said that calculate speed 4 times per sec..

And brakes do not work as it should..

And too much understeer.. Will put racing instead rental tyres... Hopefully will work..

So still some work needed..
 

landuse

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It could be worst..

Waiting for gps speedometer from china..

It said that calculate speed 4 times per sec..

And brakes do not work as it should..

And too much understeer.. Will put racing instead rental tyres... Hopefully will work..

So still some work needed..

All that will make getting a top speed reading interesting :D
 

karte_m0lim

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regarding top speed, I think it's it ..

I did calculations on 11 000 rpm and top speed was 92-95 Km/h ..

but, I forgot, on jackshaft , I think I can swap sprockets to gain few km/h ...
 
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