Author Topic: improving bottom end power  (Read 1434 times)

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Offline twinrock

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Re: improving bottom end power
« Reply #15 on: April 04, 2018, 02:01:49 PM »
Yeah i had a d slide 30mm befor the lectron on the water cooled top end..i did notice the drop in bottom end when swapped.. but was keen to try the lectron as i ride at different elevations all the time.. i think ill go back..as for the pipe i lookedat it today..just dont think ill get 100mm in there

Offline OverTheHill

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Re: improving bottom end power
« Reply #16 on: April 05, 2018, 06:13:13 PM »
Not saying 100mm is the magic number but can you make some sort of loose extension to fit between the pipe and cylinder just to experiment before welding anything in place. Just move the whole pipe forward on it's mounts a bit to try. Easy sitting here pushing buttons lol.

Offline John Orchard

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Re: improving bottom end power
« Reply #17 on: April 05, 2018, 06:22:45 PM »
I think I'm with Momus here, I'd grab a $50 PWK carb, I just fitted a PWK to my bike, I can't believe how it rips from the bottom-end over my round-slide. I don't have any experience with a Lectron.

On my KDX400 I extended the header pipe 40mm as the bike was all top-end but 40mm was too much, it lost all the top-end, I'm going to cut 20mm out.
Johnny O - Tahition_Red factory rider.

Offline twinrock

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Re: improving bottom end power
« Reply #18 on: April 05, 2018, 10:28:21 PM »
Well today i remembered i had a pipe i made up for a dt200L which worked very well. Comparing the 2 pipes it is longer in the header.this motor shares the same bottom end as the  blaster..not crank case inducted . I would asume port timing would be closer between these 2 motors. Im going to cut it and fit it to the dt200r/ blaster big bore motor..and go from there..thanks again guys

Offline shelpi

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Re: improving bottom end power
« Reply #19 on: April 08, 2018, 11:21:08 AM »
sounds like you have plenty to go on with! just do one thing at a time and test, also start with the easy stuff ie head gasket throw another one in if it don't work no real time or money waste, on that note pretty much most low down pulling engines are a low comp motor, smaller carby is a good idea, and yes the exhaust is a important tunning device, we had a junior in sidecars who could not come to terms with the pokey little 2 stoke so we fitted a reducer washer on the end of the muffler as he got used to it we drilled out the washer, at the end removed the reducer, funny thing is 12 months later they win the state titles/champion ship  on the same bike