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crf 250 on road?

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discusdan
Renault 5 Driver



Joined: 15 Jun 2010
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PostPosted: 17:07 - 30 May 2012    Post subject: crf 250 on road? Reply with quote

hi whats a crf250 like as an on road back for nipping to work and back on? 10min journeys and occasional rides out for hour . also can i put smooth road tyres on one
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discusdan
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PostPosted: 17:15 - 30 May 2012    Post subject: Reply with quote

if no good what would you recommend supermoto stlye 200-350cc
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G
The Voice of Reason



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PostPosted: 17:20 - 30 May 2012    Post subject: Reply with quote

Why 200-350cc - a weird way to choose a bike?

What other things do you plan to do with it?

If you're sticking to road, lanes and gentle enduro, I'd go for a XR400, DRZ400 or similar. Much better for general use.
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discusdan
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PostPosted: 17:22 - 30 May 2012    Post subject: Reply with quote

dont need anything bigger want a fairly light bike for the corners on way to work. basically its work and back not needed for anything else so would like the geared down crf250 if i can get away with it
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discusdan
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PostPosted: 17:22 - 30 May 2012    Post subject: Reply with quote

work is 10 min away just want a fun cool looking bike to get there lol
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G
The Voice of Reason



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PostPosted: 17:39 - 30 May 2012    Post subject: Reply with quote

discusdan wrote:
dont need anything bigger want a fairly light bike for the corners on way to work. basically its work and back not needed for anything else so would like the geared down crf250 if i can get away with it

CRF250 sounds a very poor choice, then.

Why do you want 'fairly light'? Doesn't make a massive difference for daily stuff when you get used to the weight. If you want to pass the cornering limits of a heavier bike on UK roads on the way to work, then you're probably going to end up in trouble anyway I'd say.
CC doesn't directly relate to weight. For instance you can get a GT125R which weighs 166kg dry, versus a 1200cc NCR Ducati which weighs 126kg.

The CRF250 is a competition motocross or enduro bike (depending on which version you choose) - it has short service intervals and a revvy power delivery intended to win races.

Something like the XR400 is only maybe 15kg-20kg more, but makes more sense for the road. Even more for a DR400, or maybe DR350 for a bit lighter.
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discusdan
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PostPosted: 17:42 - 30 May 2012    Post subject: Reply with quote

cheers any ktm or yamahas that sound reasonable for road?
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G
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PostPosted: 17:44 - 30 May 2012    Post subject: Reply with quote

No.

Choose a competition bike and you'll get race servicing and race daily ability.

Also, a good bit higher likelyhood of it getting stolen as it can easily get sold on.
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discusdan
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PostPosted: 17:45 - 30 May 2012    Post subject: Reply with quote

thanks Very Happy even though they are four strokes?
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G
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PostPosted: 17:59 - 30 May 2012    Post subject: Reply with quote

The competition 4 strokes are more fragile than the 2 strokes - and when they go wrong, they cost a lot more to fix too, as there's a lot more moving parts etc. The basic 2 stroke design is a lot lighter, so doesn't need everything to be paired down to the lightest possible etc.
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discusdan
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PostPosted: 17:59 - 30 May 2012    Post subject: Reply with quote

thanks for the advice . wish somebody would build a crosser looking road bike lol
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G
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PostPosted: 18:12 - 30 May 2012    Post subject: Reply with quote

They do - DRZ400S is an example.
The WR250R if you're stuck on lighter and slower - the R actually signifies a trail bike rather than the WR250F which is a competition enduro bike.
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discusdan
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PostPosted: 18:17 - 30 May 2012    Post subject: Reply with quote

what about the wr250x?
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G
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PostPosted: 18:25 - 30 May 2012    Post subject: Reply with quote

The X uses the same engine I think - but we're only talking 10kg less than the DR400SM which has a much more sensible engine for road use.
You could also consider something like the KTM690SMC - it weighs about 2kg more than the 250X, but has both double the power at least probably, as well as a much more flexible engine for road use.
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discusdan
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PostPosted: 18:53 - 30 May 2012    Post subject: Reply with quote

how high and big is a drz400? the reason i ask is im only 5ft6 lol
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G
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PostPosted: 19:01 - 30 May 2012    Post subject: Reply with quote

discusdan wrote:
how high and big is a drz400? the reason i ask is im only 5ft6 lol

A DRZ400SM will be lower than a CRF250 etc - a proper competition bike is going to be high - if you want low weight because of your height, then going tall isn't going to help.
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discusdan
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PostPosted: 19:02 - 30 May 2012    Post subject: Reply with quote

should be ok then i used to have a yz85 when i was younger
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discusdan
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PostPosted: 19:05 - 30 May 2012    Post subject: Reply with quote

arent the ktm exc classed as enduro? i would expect that means long rides constant speeds?
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MaybeGuy
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PostPosted: 19:09 - 30 May 2012    Post subject: Reply with quote

the X model CRF250 shouldn't be a problem. Mine gets an oil change roughly every 500 miles, and valve clearances checked every second oil change. As long as you're prepared to put the time in, then they're perfectly usable for what you describe, and the cost isn't much. A new piston kit is around £120, and each shim is a couple of £. I've only had to adjust the valves once in my ownership.
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G
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PostPosted: 19:14 - 30 May 2012    Post subject: Reply with quote

An 85cc motocross bike is specifically designed to be smaller than a 'full size' bike. Adults can ride the big wheel versions ok; but they're still a chunk smaller than the 125s/250s and bigger (which are all about the same size - about as high a seat height as any bike has.)

Competition enduro bikes are designed for enduros - which will be a few hours long and involve constantly changing RPM etc.
The 4 strokes often suffer from prolonged high static RPM as you may get on the road.
Often they'll be serviced after every race.
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discusdan
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PostPosted: 20:47 - 03 Jun 2012    Post subject: Reply with quote

thanks for replies ive been looking at ktm 450 and 520 . any good ?

https://www.ebay.co.uk/itm/ktm-520sx-supermoto-/330739636954?pt=UK_Motorcycles&hash=item4d019e5ada#ht_500wt_1202

https://www.ebay.co.uk/itm/Ktm-450-Supermoto-race-bike-/160798811026?pt=UK_Motorcycles&hash=item25705b2392#ht_500wt_1202
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G
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PostPosted: 23:12 - 03 Jun 2012    Post subject: Reply with quote

Two more competition bikes; neither road registered and both are going to have been heavily (ab)used on the track. One had non road legal cut slicks on the rear I believe. Didn't pay more attention than that.

The bigger engine sizes should cope with road riding at similar speeds better as they'll be less stressed.

Still wouldn't be my choice for your needs.

As a second bike for back road blasting fun, maybe.
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J D
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PostPosted: 04:10 - 04 Jun 2012    Post subject: Reply with quote

First one is road legal G , although would suggest a ccm myself.
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discusdan
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PostPosted: 08:30 - 04 Jun 2012    Post subject: Reply with quote

drz400 it is then Cool
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G
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PostPosted: 08:46 - 04 Jun 2012    Post subject: Reply with quote

J D wrote:
First one is road legal G , although would suggest a ccm myself.

Oops; my apologies, so it is.

Amusingly the 'SX' is the motocross bike, so could be even less suitable; though in reality I don't think there's much in it for the big 4 strokes in KTM's range (as an SX model, it's likely to only have 4 gears from this year, but also possible it's been changed to 6.)
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