Results 5,651 to 5,660 of 6336
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#5651 Re: Look out below......
- Join Date
- Aug 2015
- Location
- Michigan
- Posts
- 8
08-21-2015, 11:38 PMHi guys Im sorry to barge in here but Ive been posting and not had any responses and you were talking about something l need to know about.Im looking at taking my 150cc to 250cc or as big as I can go.Then I was looking for porting and 5 angle valve job and cyinder head decking.My goal is to make a supermoto with the same power to weight ratio as a 5000 dollars factory supermoto for under a thousand dollars.Im doing very well as I'm at 550 and already got 17s with tires,fmf factory 4.1 with high flo header,a big brake and lever with master, and I'm lightenng it where ever I can find weight . please help
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#5652 Re: Look out below......08-22-2015, 02:27 AM
demidestructo you are beyond help
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#5653 Re: Look out below......08-22-2015, 08:49 AM
beyond the the interests of this forum for sure.
race bikes, with limited engine size is were you will find like visions.
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#5654 Re: Look out below......
- Join Date
- Aug 2015
- Location
- Michigan
- Posts
- 8
08-22-2015, 09:28 AMIm sorry , your saying no one is interested in what im talking about this bike is not for racing its just to see what are the limits of the china motors.I would think for durability someone would be surprised to know someone got a big hp number and the engine stayed together. I was going to say something really mean to Zhou but ill just not come back, and i have a 132 iq and am a savant. So I could have helped a lot probably with peoples stuff.Have fun everyone
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#5655 Re: Look out below......08-22-2015, 12:03 PM
Zhu The name is zhu . Demidestucto don't clutter this thread just reply in your own thread. Nobody answered you because ... well you just asked too many questions in one go.
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#5656 Re: Look out below......
- Join Date
- Jul 2010
- Posts
- 214
08-24-2015, 07:11 PMAnyone know who sells this bike other than scooterdepot.com?
Thanks, Jon
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#5657 Re: Look out below......08-25-2015, 06:04 AM
fwiw i tried to gauge interest for such things in this thread. no bites...
you might get alot of lip service on what can and cant be done, and what the results might be but real world results are few and far between.
That said, on my 167fmm, ive done the head porting, polishing and grinded messed a bit with the valve seats. ive back cut my valves, even tried something called power rings
And a bunch of other things that I can hardly recall.
Ultimately it was the head deck to higher compression that got anything done...
Put it this way, even when going from a head with 1.25" intake valve to a head with a smaller 1" or 1.125" intake valve but with a higher compression, the head with the smaller valves gave more power.
This demonstrated to me all the porting, polishing, back-cuts, or seat angles couldn't possibly provide more airflow than a much larger valve... its all a red herring on a low power engine.
All in all I was able to gain just enough power with the head deck that im able to hold my own on the roads i dare to drive... but truth is there just so little overall potential that going after it is otherwise a large a waste of time.
I even bored out my old cylinder a half over hoping to get a hold of one of the very few 67.5mm pistons that were made for ccw by wiesco, but that looks more of a, 'so we can say we have it' item then anything that has been proven worthy.
you want to go fast, get another bike, preferably a OHC, multi valve, multi cyclinder, big bore, long stroke, high compression engine...Last edited by axa; 08-25-2015 at 04:15 PM.
2012 DF250RTB_B with Yamaha XV250 V-twin
1998 XVS650 (For Sale)
2003 LS650 with Voodoo Vintage hardtail
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#5658 Re: Look out below......08-25-2015, 02:20 PM
VERY WELL SAID !!!
Your last sentence sums it up best. I congratulate you for your humble honesty.2011 Yamaha Star 250
2010 DF 250 Bobber (sold)
2009 Triumph Bonneville T100
1993 Kawasaki Vulcan88(sold)
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#5659 Re: Look out below......08-28-2015, 07:21 PM
Jon,
I bought mine from Chad at http://www.extremescooters.biz/250cc...chopper-A.aspx but they are out of stock again.
They also raised the price to $2,448
Vince
2021 Ural cT
2022 Dong Fang DF250RTG
2021 Ice Bear 150cc scooter
2020 Ice Bear 150cc Scooter
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#5660 Re: Look out below......08-28-2015, 07:22 PM
They had the B model at $1999 http://www.extremescooters.biz/250cc...chopper-B.aspx
but it is also sold out.
I don't know why they can't get any more.
Other places have it. Try googling DF250RTB
I'd think about buying another DF250RTB-A if I could get it at $2100 delivered like I did my last one as I am very happy with the one I have.Vince
2021 Ural cT
2022 Dong Fang DF250RTG
2021 Ice Bear 150cc scooter
2020 Ice Bear 150cc Scooter
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