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Keith |
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Keith World Chat Champion
Joined: 24 Mar 2004 Karma :
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Posted: 22:59 - 28 Mar 2004 Post subject: NS125RK Question |
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Alright, well i'm pretty sure this has been asked many times before but just need to make sure.
Here goes nothing
righty, my NS125RK seems to stop rpm's at around 9000 then the power seems to die down.
It has a Micron pipe and i'm not sure if thats just the powerband of the exhaust or a restriction within the carb/throttle.
Top end i get to about 85mph.
If anyone else has had this problem and knows a solution, i will be mucho grateful
cheers all ____________________ Aprilia RSV Mille R Edwards Replica - Aprilia RS250 - Suzuki GSXR600 Supersport Race Bike |
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Hex |
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Hex Party Boy
Joined: 04 Feb 2002 Karma :
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jimbo |
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jimbo Borekit Bruiser
Joined: 23 Aug 2003 Karma :
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Crash it for fun |
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Crash it for fun Spanner Monkey
Joined: 09 Jul 2003 Karma :
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Hex |
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Hex Party Boy
Joined: 04 Feb 2002 Karma :
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Posted: 14:36 - 30 Mar 2004 Post subject: |
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I had an ns125 r as well and top end was about 90-95 (again no head wind etc), but when I changed the sprocket size 85 was about the top of it.
Also had a micron pipe on mine. ____________________ The BCF's very own Party boy! Though he's getting old and feeling it!
Monkey hanger, Born and bred
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Hex |
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Hex Party Boy
Joined: 04 Feb 2002 Karma :
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Keith |
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Keith World Chat Champion
Joined: 24 Mar 2004 Karma :
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Posted: 18:38 - 30 Mar 2004 Post subject: |
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So i can assume that its the top speed of the bike.
I don't have a problem with 85mph, its more than enough, just wanted to find out why it stops at around 9500rpm.
No worries, besides, i am a big lad .. 6'3" lol
cheers ____________________ Aprilia RSV Mille R Edwards Replica - Aprilia RS250 - Suzuki GSXR600 Supersport Race Bike |
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Keith |
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Keith World Chat Champion
Joined: 24 Mar 2004 Karma :
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Hex |
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Hex Party Boy
Joined: 04 Feb 2002 Karma :
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Posted: 20:00 - 30 Mar 2004 Post subject: |
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Yeah was with the micron on, as for a carb restriction. I never found one on the NS.
The air box is heavily restrictive (not restricted), but thats the way they are. ____________________ The BCF's very own Party boy! Though he's getting old and feeling it!
Monkey hanger, Born and bred
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Keith |
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Keith World Chat Champion
Joined: 24 Mar 2004 Karma :
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Posted: 20:12 - 30 Mar 2004 Post subject: |
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i'll give a K&N filter a go, wont hurt to try ____________________ Aprilia RSV Mille R Edwards Replica - Aprilia RS250 - Suzuki GSXR600 Supersport Race Bike |
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Hex |
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Hex Party Boy
Joined: 04 Feb 2002 Karma :
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Posted: 20:46 - 30 Mar 2004 Post subject: |
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As long as you adjust the mixture to suit, otherwise you run a serious risk of running lean and seizing the engine. ____________________ The BCF's very own Party boy! Though he's getting old and feeling it!
Monkey hanger, Born and bred
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Valentino Mossy |
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Valentino Mossy World Chat Champion
Joined: 13 Jul 2003 Karma :
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Keith |
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Keith World Chat Champion
Joined: 24 Mar 2004 Karma :
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Kickstart |
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Kickstart The Oracle
Joined: 04 Feb 2002 Karma :
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Posted: 23:09 - 30 Mar 2004 Post subject: |
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Hi
The older Honda 2 squeak engines with the old style ATAC power valve (which in UK restricted models was just an open chamber) tended to die off around 9000~10000rpm.
With my old MBX we did manage to get it to rev out nicely by using an Autolite kart racing plug with an odd electrode. Fouled up badly round town and then the cdi unit died a week later .
All the best
Keith ____________________ Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing |
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Valentino Mossy |
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Valentino Mossy World Chat Champion
Joined: 13 Jul 2003 Karma :
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needa400 |
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needa400 Borekit Bruiser
Joined: 27 Mar 2004 Karma :
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Posted: 16:53 - 31 Mar 2004 Post subject: |
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try looking at the german site, www.nsr125.de
you'll probably have to translate unless you can read german, but it tells you there about an electronic restriction on some european made bikes. There is a post on here regarding this same problem.
Hope this helps
needa ____________________ I was here, now I'm not, coz I covering the missus in me special man snot! |
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Keith |
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Keith World Chat Champion
Joined: 24 Mar 2004 Karma :
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Posted: 17:00 - 31 Mar 2004 Post subject: |
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Cheers for the info guys, mucho appreciated
So i can assume that its got no restriction and its just down to the engine and size of rider lol
I have no problem with the top speed, just rather curious about why the rev's stopped at 9000ish.
I shall keep the Honda for a year then you never know, might get something a little bigger, or maybe an RS125.
Toodles.. ____________________ Aprilia RSV Mille R Edwards Replica - Aprilia RS250 - Suzuki GSXR600 Supersport Race Bike |
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Hex |
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Hex Party Boy
Joined: 04 Feb 2002 Karma :
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Keith |
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Keith World Chat Champion
Joined: 24 Mar 2004 Karma :
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Posted: 23:29 - 31 Mar 2004 Post subject: |
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Yep, thats only in top gear.
wierd eh?
Nevermind, it'll keep me on the dual carrigeways no problem, means i get to college in about 5 minutes instead of 20
https://www.derbi-club.com/forum/attachment.php?s=&postid=69555
Nice isnt she ____________________ Aprilia RSV Mille R Edwards Replica - Aprilia RS250 - Suzuki GSXR600 Supersport Race Bike |
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Hex |
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Hex Party Boy
Joined: 04 Feb 2002 Karma :
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Posted: 10:21 - 01 Apr 2004 Post subject: |
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I had a white one.
Since its only happening in top gear I would say its just its running out of power mate. So nothing really to worry about.
Do you know when the rings where last changed? ____________________ The BCF's very own Party boy! Though he's getting old and feeling it!
Monkey hanger, Born and bred
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Keith |
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Keith World Chat Champion
Joined: 24 Mar 2004 Karma :
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explicit |
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explicit L Plate Warrior
Joined: 17 Apr 2004 Karma :
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Kickstart |
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Kickstart The Oracle
Joined: 04 Feb 2002 Karma :
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Posted: 17:49 - 17 Apr 2004 Post subject: Re: my honda ns125rk |
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kev |
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kev I Hump Things
Joined: 07 Oct 2002 Karma :
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Posted: 18:00 - 17 Apr 2004 Post subject: |
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Are they made of rubber? ____________________ 20:02:36 Jammy-R6: any holes a goal
20:02:48 kev: even if its a hairy mans arse
20:02:56 Jammy-R6: hell yes |
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Kickstart |
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Kickstart The Oracle
Joined: 04 Feb 2002 Karma :
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Posted: 18:06 - 17 Apr 2004 Post subject: |
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Old Thread Alert!
The last post was made 19 years, 350 days ago. Instead of replying here, would creating a new thread be more useful? |
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