What bike for a project?

NialOx
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44
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1/15/2021
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GB
Hello all.

Currently have and ride a really clean 2006 rm125.

I ride mostly sand which is fine in the summer but come winter the 125 does start to struggle. With them becoming rarer in good condition I am looking to get another bike as a winter bike / daily driver type thing.

I’m looking at a four stroke to rebuild as a project leading into winter.

With that being said I’m looking at older bikes, probably 2008-2013. I’m not opposed to rebuilding an engine so that’s not an issue.

I wasn’t riding moto back then I was still racing downhill so I’ve no knowledge of the bikes in this time period.

In terms of me I’m 6ft2, 230/40lbs with kit. I ride my 125 screaming but obviously that’s how they have to be ridden to go anywhere.

For me ease of parts sourcing, cost of parts and reliability (back in the day when they were new) is key.

I don’t know how much slower four strokes were ten years ago. I’ve previously had a 19” KXF250 which was fine.

Basically I want advice on which model of that age is the best used deal to rebuild into a daily driver. I’m really not brand fussy although at that age I’d rather stay jap.

Cheers
Nial
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walent215
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Ridgecrest, CA, USA
7/4/2021 2:08pm
I’ve owned multiples of the earlier model 4 strokes and the ones to avoid are 2004-2006 RMZ250, 2004-2005 Kx250f
Any other Japanese 4 strokes to current are decent bikes
The earliest crf250s are very good and easy to rebuild with plenty of parts availability . I currently have a 2004 yz250f I’m rebuilding the motor on . The newer 250s do have more power but it’s not earth shattering so any older one is not a “ bad” choice.
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NialOx
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Location
GB
7/5/2021 12:28am
walent215 wrote:
I’ve owned multiples of the earlier model 4 strokes and the ones to avoid are 2004-2006 RMZ250, 2004-2005 Kx250f Any other Japanese 4 strokes to current...
I’ve owned multiples of the earlier model 4 strokes and the ones to avoid are 2004-2006 RMZ250, 2004-2005 Kx250f
Any other Japanese 4 strokes to current are decent bikes
The earliest crf250s are very good and easy to rebuild with plenty of parts availability . I currently have a 2004 yz250f I’m rebuilding the motor on . The newer 250s do have more power but it’s not earth shattering so any older one is not a “ bad” choice.
Thanks for the info. I don't think I'd go that old on the 250f anyway.

Just out for info that makes rebuilds and parts availability harder. Common issues with models like soft valve seats etc.

I may well go for a honda.
1
walent215
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Ridgecrest, CA, USA
7/5/2021 3:14am
walent215 wrote:
I’ve owned multiples of the earlier model 4 strokes and the ones to avoid are 2004-2006 RMZ250, 2004-2005 Kx250f Any other Japanese 4 strokes to current...
I’ve owned multiples of the earlier model 4 strokes and the ones to avoid are 2004-2006 RMZ250, 2004-2005 Kx250f
Any other Japanese 4 strokes to current are decent bikes
The earliest crf250s are very good and easy to rebuild with plenty of parts availability . I currently have a 2004 yz250f I’m rebuilding the motor on . The newer 250s do have more power but it’s not earth shattering so any older one is not a “ bad” choice.
NialOx wrote:
Thanks for the info. I don't think I'd go that old on the 250f anyway. Just out for info that makes rebuilds and parts availability harder...
Thanks for the info. I don't think I'd go that old on the 250f anyway.

Just out for info that makes rebuilds and parts availability harder. Common issues with models like soft valve seats etc.

I may well go for a honda.
Then I’d say 11-13 crf250
Our 13 was bulletproof and easy to mod for a bit more power and stay reliable . We sold ours with 100 hours . Still had stock valves in good shape, only replaced piston a couple times .
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The Shop

yz133rider
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5027
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Avondale, PA, USA
7/5/2021 8:22am
The 2001-2013 yz250f used the same engine the entire time. They are very reliable and very good bikes. Parts are easy to find as the engine shared nearly all parts the entire span.

I’d shoot for 05 or newer just for the ergos and chassis changes. The 05 was steel framed but had 48mm forks and was a good bike. 06+ was aluminum frame, and 2010-13 was an updated frame and body work.
2
NialOx
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44
Joined
1/15/2021
Location
GB
7/6/2021 12:33am
yz133rider wrote:
The 2001-2013 yz250f used the same engine the entire time. They are very reliable and very good bikes. Parts are easy to find as the engine...
The 2001-2013 yz250f used the same engine the entire time. They are very reliable and very good bikes. Parts are easy to find as the engine shared nearly all parts the entire span.

I’d shoot for 05 or newer just for the ergos and chassis changes. The 05 was steel framed but had 48mm forks and was a good bike. 06+ was aluminum frame, and 2010-13 was an updated frame and body work.
Funnily enough I had been looking at the 12/13 YX250F as a potential bike. I can't seem to find any in the UK for sale though!
27thmx
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7/31/2020
Location
Naples, FL, USA
7/8/2021 9:03am
08 crf450r. Buddy had an 06 kx250f that was a nightmare. Yamaha had reliable motor 04+. Anything Japanese 08 and up u should be fine
Sachmo831
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255
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10/7/2015
Location
South Bend, IN, USA
7/8/2021 9:45am
The early efi bikes tend to have a lot of low end and fall flat up top, at least that has been my experience. Just something to consider if engine character matters to you
7/12/2021 5:49pm
08-09 crf250 (carbed)

2006 + yz250f

I'd say yamaha has slightly less expensive parts than honda but honda usually has more parts in stock and still currently available.
1

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