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de-restricted a Suzuki GN125

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martin27e
Derestricted Danger



Joined: 10 Mar 2006
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PostPosted: 01:12 - 05 Jun 2006    Post subject: de-restricted a Suzuki GN125 Reply with quote

how do i de-restricted a Suzuki GN125 if its restricted
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sickpup
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Joined: 21 Apr 2004
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PostPosted: 01:15 - 05 Jun 2006    Post subject: Reply with quote

You don't. Its not restricted.
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martin27e
Derestricted Danger



Joined: 10 Mar 2006
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PostPosted: 01:21 - 05 Jun 2006    Post subject: Reply with quote

so is there any way of getting a bit more speed out of it as im 14 stone would like to be able to do at least 70 mph if i can
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sickpup
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Joined: 21 Apr 2004
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PostPosted: 01:36 - 05 Jun 2006    Post subject: Reply with quote

Beachy head.
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martin27e
Derestricted Danger



Joined: 10 Mar 2006
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PostPosted: 01:38 - 05 Jun 2006    Post subject: Reply with quote

sorry no idea wot that means
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WavyGravy
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Joined: 10 Mar 2006
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PostPosted: 01:44 - 05 Jun 2006    Post subject: Reply with quote

Quote:
martin27ePosted: 01:38 - 05 Jun 2006 Post subject:



sorry no idea wot that means


sickpupPosted: 01:36 - 05 Jun 2006 Post subject:



Beachy head.


9.8 m/s2 Shocked
____________________
1975 CB125s, 1991 GN250, 1990 Ducati Paso 906
"Don't wake him up - He's got insomnia - He's trying to sleep it off"
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Davo
Davo To The Rescue!



Joined: 04 Apr 2004
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PostPosted: 06:22 - 05 Jun 2006    Post subject: Reply with quote

Your not going to get any more power out of it without spending a lot of money, if your on a provisional licence the money would be better spent on taking your test, then buying a larger cc bike.
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WavyGravy
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Joined: 10 Mar 2006
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PostPosted: 08:57 - 05 Jun 2006    Post subject: Reply with quote

Quote:
Beachy head.


Its a cliff, a very pretty one, people throw themselves off it on a regular basis - a kind of lovers leap.

The GN125 is a small 4 stroke with a 'sit up and beg' style, top speed is probably around 60. It could be tuned by improving its aspiration i.e. porting the head, changing the jets and airfilter but you're still going to be fighting huge air resistance because of your body position and bikes modified in this way are a pig to drive around town. So you'd also need to fabricate a frame from scratch. also you'd need to remap the ignition curve in the ignition unit and probably reprofile the camshaft, at which stage the whole thing is liable to go bang.

Unless you know to the contrary your bike is not restricted as it doesnt need to be in order to comply with UK learner laws. The cost of tuning your bike would be more than the cost of a second hand sports125, with no guarantee of success. Ive got the 250 version of your bike, enjoy it for what it is, an old style bike with lots of shiny bits, reliable as hell, good electrics good fuel consumption
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1975 CB125s, 1991 GN250, 1990 Ducati Paso 906
"Don't wake him up - He's got insomnia - He's trying to sleep it off"
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hazza
World Chat Champion



Joined: 28 Sep 2005
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PostPosted: 16:28 - 05 Jun 2006    Post subject: Reply with quote

its not exactly what you will want to hear because i dont liek it when people say it to me....but.....sell it and get a 2-stroke....not nesasaraly a sports style....the old commuters are pretty fast....my rxs is quite fast really for what it is
____________________
3 Honda NC50's(Sold)-->'72 Puch Maxi S (Sold, want it back!)--> '90 Yamaha RXS 100 (Stolen)--> '87 Honda Cub 90(Sold) --> '95 Kawasaki Eliminator (Sold) --> '98 Bandit 600 (Sold) -->'07 SV650S (Current)
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ianwhtvr
Two Stroke Sniffer



Joined: 30 Apr 2006
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PostPosted: 13:02 - 06 Jun 2006    Post subject: Reply with quote

i totally agree with hazza, get an rxs 100 fast as fuck and mine is reliable to. will easilly do 70-80 mph cheap parts at most bike shops and all the fun of owning a 2- stroke screamer.
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ian
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