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KTM 520 sumo conversion

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MaybeGuy
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PostPosted: 13:36 - 03 Oct 2010    Post subject: KTM 520 sumo conversion Reply with quote

Personally i hate supermotos with a passion (why use an offroad bike with sports tyres? defeats the object)

but being open minded, i want to try it to see why people love them so much, and on my own bike so i dont care about stacking it.

£300-700 on wheels? fuck that.

The breakers will sell me a pair of RS125 wheels for £50, and will swap the brand new rubber from my mito wheels onto them.

is there any reason for this not to work before i start? i can machine all spacers myself, and make the caliper bracket.

and as far as i know, the spindle sizes are the same.

am i overlooking something?
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Blue_SV650S wrote: it was a sh1te wheelie, but it proves that he can get it up in 3rd and can do angles. In summery, mattsprattuk is a gobby little sh1tebag, dopehead tw4t, but sadly for all of us, he probably isn't THAT full of sh1te!! Mr. Green
Kickstart wrote: Hi I tend to agree with Matt. All the best Keith
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G
The Voice of Reason



Joined: 02 Feb 2002
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PostPosted: 14:00 - 03 Oct 2010    Post subject: Re: KTM 520 sumo conversion Reply with quote

Should be fine if spindles and spacing are ok - the reason people go for expensive spoked wheels is using it for 'real' supermoto (ie including jumps etc) can crack cast wheels I believe.
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devojunior
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PostPosted: 13:09 - 04 Oct 2010    Post subject: Reply with quote

Also the tyre size you can go on an rs rear wheel will be nowhere near what you could with propper supermoto wheels.
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MaybeGuy
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PostPosted: 14:12 - 04 Oct 2010    Post subject: Reply with quote

devojunior wrote:
Also the tyre size you can go on an rs rear wheel will be nowhere near what you could with propper supermoto wheels.


you mean a 150 17 on the rear? I thought thats what most of them ran.

G. What are the real sm wheels made of?
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Blue_SV650S wrote: it was a sh1te wheelie, but it proves that he can get it up in 3rd and can do angles. In summery, mattsprattuk is a gobby little sh1tebag, dopehead tw4t, but sadly for all of us, he probably isn't THAT full of sh1te!! Mr. Green
Kickstart wrote: Hi I tend to agree with Matt. All the best Keith
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delvey91
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PostPosted: 15:29 - 04 Oct 2010    Post subject: Reply with quote

Full KTM SM setup 350 quid, talk to me Laughing
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mad4it028
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PostPosted: 15:59 - 04 Oct 2010    Post subject: Reply with quote

i used rs125 wheels but the rear hub is very wide and had to be machined alittle off both sides but that was for a cr250
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G
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PostPosted: 16:17 - 04 Oct 2010    Post subject: Reply with quote

'Proper' wheels are just like your standard dirt wheels - rim, spokes and hub. Think the hub is often cast, but it's the rim that's the issue.
Ie, my 200 has a big dent in the rim, but is still perfectly usable, while if similar happens to a cast rim you're going to have serious problems - and I'm lead to believe it's more likely to happen, as it's not made to take the regular impacts and stones etc.

And yea, rare you'll get over 150 on a converted supermoto - couple of times I've bought part worns in 160 from supermotos which have had one side chewed off by the chain.
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MaybeGuy
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PostPosted: 20:45 - 04 Oct 2010    Post subject: Reply with quote

delvey91 wrote:
Full KTM SM setup 350 quid, talk to me Laughing


send me a PM with pics and stuff. im interested as fuck.

mad4it. what's the standard hub size on a CR250?
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Blue_SV650S wrote: it was a sh1te wheelie, but it proves that he can get it up in 3rd and can do angles. In summery, mattsprattuk is a gobby little sh1tebag, dopehead tw4t, but sadly for all of us, he probably isn't THAT full of sh1te!! Mr. Green
Kickstart wrote: Hi I tend to agree with Matt. All the best Keith
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mad4it028
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PostPosted: 21:01 - 04 Oct 2010    Post subject: Reply with quote

sorry mate i dont remember was about a year ago
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G
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PostPosted: 21:08 - 04 Oct 2010    Post subject: Reply with quote

Remember that KTM changed front wheel size between 02 and 03, however you can get adaptor kits - at the moment I've actually got the older wheels running on newer bikes and have had it the other way around too.
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delvey91
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PostPosted: 22:42 - 04 Oct 2010    Post subject: Reply with quote

G wrote:
Remember that KTM changed front wheel size between 02 and 03, however you can get adaptor kits - at the moment I've actually got the older wheels running on newer bikes and have had it the other way around too.


Yeh the ones ive got have a few adaptors, difernt spindles and all sorts, ill PM you some pics matt
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MaybeGuy
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PostPosted: 09:05 - 05 Oct 2010    Post subject: Reply with quote

sounds like pretty much a done sale tbh. my mate with the 380 exc wants them, and says i can borrow them to try. everyones a winner.

do you know if they could be made to fit RWU forks that come on the middle aged 380's? not sure of the spindle size.
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Blue_SV650S wrote: it was a sh1te wheelie, but it proves that he can get it up in 3rd and can do angles. In summery, mattsprattuk is a gobby little sh1tebag, dopehead tw4t, but sadly for all of us, he probably isn't THAT full of sh1te!! Mr. Green
Kickstart wrote: Hi I tend to agree with Matt. All the best Keith
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drzsta
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PostPosted: 19:11 - 05 Oct 2010    Post subject: Reply with quote

if you can machine spacers, there's no probs using mag wheels, yea people say they are slightly weaker which is true but unless your going to be hitting curbs and shit, the odd wheelie aint going do much damage if any.
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lewis87
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PostPosted: 21:44 - 06 Oct 2010    Post subject: Reply with quote

Never tried a supermoto, but hate them with a passion Neutral

I don't see what there is to hate, you got your offroad wheels for offroading, then you can swap over your supermoto wheels to have a laugh on the road. Best of both worlds.

Once you try it I reckon you will like it, I've always had way more fun riding supermotos than riding sportsbikes on the road.
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drzsta
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PostPosted: 18:32 - 07 Oct 2010    Post subject: Reply with quote

lewis87 wrote:

Once you try it I reckon you will like it, I've always had way more fun riding supermotos than riding sportsbikes on the road.



yea,after i had my drz ( Crying or Very sad r.i.p) i've always wanted another - my dads getting a new WR450 so im gonna SM his old '04 WR 450.

I'd like a supersport in the future but the insurance takes the piss, plus im not a poser like most of the fannys i see rding round here Laughing
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reggie
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PostPosted: 19:12 - 07 Oct 2010    Post subject: Reply with quote

delvey91 wrote:
Full KTM SM setup 350 quid, talk to me Laughing



that with thw proper front caliper and brembeo master cilender ?
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