Thread: Steve's CFMoto 650 NK(春风 650 NK)
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#151 Re: Steve's CFMoto 650 NK(春风 650 NK)
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#152 Re: CFMoto 650s06-21-2013, 08:49 AM
I live in downtown Nanjing and no, there's no place around to get the bike up to speed. Around here 40 km/h is a suicide. In fact, I've been using my wife's Suzuki EN 150 for a week now, 'cause of construction works around my area and inability to squeeze my CFMoto between the yellow plastic buffers and the sidewalk (hell, my e-bike doesn't fit in either!!!).
As for the dual-sport / enduro bike build around that 650cc parallel twin, I'd go all in if they made it lighter.
Had no problem with handlebar vibration whatsoever, BTW.
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#153 Re: Steve's CFMoto 650 NK(春风 650 NK)
- Join Date
- Apr 2013
- Location
- argentina
- Posts
- 22
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#155 Re: Steve's CFMoto 650 NK(春风 650 NK)
- Join Date
- Jun 2013
- Location
- Australia
- Posts
- 9
06-28-2013, 05:30 AMHey Everyone,
Just picked one of these 650NK's myself today! As someone pointed out before, we have them some how restricted to be sold as a Leaner Legal bike here in AUS, I assume its simply a different ECU, anyone know if this is correct and if so where to buy an unrestricted ECU as here in Australia the dealers legally will not sell them to you.
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#156 Re: Steve's CFMoto 650 NK(春风 650 NK)
- Join Date
- May 2013
- Location
- Australia
- Posts
- 37
06-28-2013, 07:16 AMHey there Jeff hope you enjoying the bike, I have also investigated the type of restriction on the bikes in Aus and I think its simply in the intake/exhaust and the giant converter underneath. Induct the intake and put a strait through pipe on it and I recon your gonna get the desired result.
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#157 Re: Steve's CFMoto 650 NK(春风 650 NK)
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#158 Re: Steve's CFMoto 650 NK(春风 650 NK)
- Join Date
- May 2013
- Location
- Australia
- Posts
- 37
06-29-2013, 07:49 AM??? I'm sorry I have to admit that I'm not an expert of such things, Though I now that Torque comes from the cam and gear ratios and the better a motor can suck in and expel air the better it will perform. the efficient burning of the petroleum is tantamount to the performance of any engine. though I do have reservations in regards to the O2 sensors and its effect on the ECU if emisions are deregulated. The first step in getting better output from any engine in any performance shop is to optimise how an engine breaths.
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#159 Re: Steve's CFMoto 650 NK(春风 650 NK)
- Join Date
- Dec 2009
- Location
- mostly Shanghai, sometimes northern California
- Posts
- 3,222
06-29-2013, 09:47 AMSurely the best way to understand the difference between a stock 650NK and the retarded version being sold as a learner's bike in (a seeming nannystate known as) Australia would be to do a part-by-part comparison between the two. Is there any way to accomplish such a comparison? Are unretarded versions available in Australia, presumably for sale for experienced riders? If so, how hard would it be to put them side-by-side in a shop and compare?
I'd start with the ECU, rather than pipes and other physical parts, since this surely would be the easiest way to restrict the bike's performance. I'd bet that the two ECUs have different part numbers.
Doesn't Australian law allow you to "unmodify" your retarded bike once you pass from learner status to a standard motorcycle license? If not, why not? This would seem to be a matter of basic civil rights. If you can unmodify your 650NK by simply swapping out the retarded ECU for a stock ECU, what would stop you from doing that even while you are still a learner, other than your own conscience?
good luck
euphoniusjkp
Shanghai
2010 JH600 "Merkin Muffley" (in Shanghai)
2000 KLR650 "Feezer Ablanalp" (in California)
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#160 Re: Steve's CFMoto 650 NK(春风 650 NK)06-29-2013, 08:08 PM
Brad sorry for being a bit aggressive in my previous post, bike power modifications not being very useful is one of my pet subjects. Anyhow don't take my word for it, check the videos on the web about dyno testing motorcycles and you'll quickly discover that stuffing more air and fuel in and allowing a faster exit doesn't always make a bike more powerful. It can if you use a dyno, without a dyno it's a bit like cat herding.
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Euphonius I believe the modification in Australia is to retard the bike down to a level which makes it similar in power to a 250, 20KW? Or to retard the bike to a 'provisional' power level maybe 50KW? At the end of these periods the bikes can be legally unrestricted.
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