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Makotosun

OOps I found myself a new project Honda XLX250R MD08

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I feel your pain with those Honda carbs. I think today’s fuel is hard on those diaphragms and shortens their lifespan. I like the vintage Yamaha carbs. Even I can disassemble them and clean them properly. It’s a regular event here with my herd that just don’t get enough exercise. Although I ride them a lot more now that I am retired.
Schu

CT1B, CT1C, JT1, JT2, CT2, RT3, DT360A (2), GT80B, DT100B, DT125B, DT175B, DT175C, DT250B (2), DT400B, Z50

Someday, you'll own some Yamahas
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19 May 2026 09:59 #71

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Replied by Reed valve Richards on topic OOps I found myself a new project Honda XLX250R MD08

Schu good to hear you are getting out and about. I couldn't agree with you more, the carb on the DT125 has worked flawlesly since I cleaned it and it's easy to access. Some of those engineer teams got some things really right and other things were, well rather questionable. Didn't someone say something about not being able to cook an omelette if you don't break eggs, whatever ;)
Yo Joe, Go Joe
19 May 2026 15:03 #72

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Replied by Reed valve Richards on topic OOps I found myself a new project Honda XLX250R MD08

DOH :) :) :)

I noticed the intakes were hotter than the exhaust, WHAT
and the idle was hanging ! Yuk !

Back to basics - It seems I set the valves for the US model XL250R 0.002 and 0.004 BUT

the Japanese XLX250R is 0.004 and 0.005 makes a difference

it's still not perfect but it does run better, idle doesn't hang and it's a little COOLER lol ;)

( it's too hot outside though, morning and evenings are sweet but the afternoon is a sauna ! )
Yo Joe, Go Joe
24 May 2026 02:37 #73

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Replied by Reed valve Richards on topic OOps I found myself a new project Honda XLX250R MD08

(temps in *C not *F) Exhaust is 199 *C , intakes are 148*C and the generator or clutch side are 112*C, it gets warm :)
Yo Joe, Go Joe
28 May 2026 18:40 #74

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Replied by Reed valve Richards on topic OOps I found myself a new project Honda XLX250R MD08

What scares you trail riders, here are some of the things that knock the breath out of me ;)

- trying to ride when it's over 30*c outside, i'm already slim i dont need to sweat 2kgs off!
- riding long grassy trails that have large hidden rocks and trying to pick a line at the last second!
- braking my clutch lever at the top of a gnarly mountain trail
- loose gravel roads (they make my stomach like jelly, lol )
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31 May 2026 18:18 #75

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Replied by Reed valve Richards on topic OOps I found myself a new project Honda XLX250R MD08

You happen across a 300 dollar dirt bike that is being sold for parts, and you put on a chain and tires, patch the tube then you find all that was really needed in parts was a new stator and a carb diaphragm and one day a battery!. When the weather gets cooler should be some fun smooth riding ahead :)
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08 Jun 2026 19:56 #76

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Replied by Reed valve Richards on topic OOps I found myself a new project Honda XLX250R MD08

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08 Jun 2026 19:57 #77

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Replied by Reed valve Richards on topic OOps I found myself a new project Honda XLX250R MD08

Diaphragm was 4 dollars and 49 cents, sweet!
Yo Joe, Go Joe
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08 Jun 2026 20:00 #78

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