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Air/Fuel mix screw pic? #100450 08/03/12 06:52 PM
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Wanabecruisen Offline OP
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I can prolly figure this three turn thing out but was looking for a pic of the carb showing the location of the tamper plug that needs to be drilled out on the XT225. New to the site and still trying to get used to the search function on here. Is it basically in the same location as on the 250?


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Re: Air/Fuel mix screw pic? [Re: Wanabecruisen] #100451 08/03/12 07:05 PM
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alexd Offline
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There are pictures around here somewhere. It's on the bottom part of the carb closest to the engine, between and slightly forward (towards engine) of the front two (of the 4) screws that hold the floatbowl on.

Do NOT confuse it with a close-by brass "dimple" that is visible in one of the holes.

Not all bikes have the anti-tamper plug...

Alexd


(one) 2006 XT225, (two) 2005 XT225, 2006 FZ1
Re: Air/Fuel mix screw pic? [Re: alexd] #100474 08/04/12 07:50 AM
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alexd Offline
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Here's one; not all carbs have the hose, which is partially obscuring the pilot jet adjustment needle (the anti-tamper plug has been removed) A small flat-blade screw driver is used to adjust it.

Alexd



Last edited by alexd; 08/04/12 07:52 AM.

(one) 2006 XT225, (two) 2005 XT225, 2006 FZ1
Re: Air/Fuel mix screw pic? [Re: alexd] #100489 08/04/12 07:08 PM
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alexd Offline
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Here's another; the plug was pre-drilled, as the owner will be inserting a screw to "grab" the brass and allow pulling the thing straight out.

When you do this, be sure to not drill in too far, which would gouge up the adjustment needle within.

Alexd


Last edited by alexd; 08/04/12 07:12 PM.

(one) 2006 XT225, (two) 2005 XT225, 2006 FZ1
Re: Air/Fuel mix screw pic? [Re: alexd] #100527 08/05/12 11:15 PM
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Wanabecruisen Offline OP
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Great! Thanks for the pix


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Re: Air/Fuel mix screw pic? [Re: Wanabecruisen] #100528 08/05/12 11:42 PM
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alexd Offline
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You're welcome.

You might want to take the opportunity to replace the 4 Philips-head screws that hold the float-bowl, with Allen-head types (which won't strip or deform). I forget the metric size (possibly M6) but 12mm or 16mm length is fine, in either black or stainless. Home Depot, Menards, and Lowes should have them.

Alexd
(P.S. Look into a fuel line filter such as the mini 1/4" Visufilter, for your next Mod)

Last edited by alexd; 08/05/12 11:44 PM.

(one) 2006 XT225, (two) 2005 XT225, 2006 FZ1
Re: Air/Fuel mix screw pic? [Re: alexd] #100531 08/06/12 12:43 AM
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tkerrigan Offline
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One thing that will help on stripping phillips screws on Japanese bikes and other equipment would be to get a set of JIS (Japanese Industrial Standard) screw drivers. Japanese phillips are not the same as our phillips and that is why they strip so easily. I removed my bowl screws last week on my 2005 xt225 no problem. Just do an Amazon search for jis screwdriver. Regards, Tom


Re: Air/Fuel mix screw pic? [Re: tkerrigan] #100532 08/06/12 01:55 AM
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alexd Offline
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Originally Posted By: tkerrigan
One thing that will help on stripping phillips screws on Japanese bikes and other equipment would be to get a set of JIS (Japanese Industrial Standard) screw drivers. Japanese phillips are not the same as our phillips and that is why they strip so easily. I removed my bowl screws last week on my 2005 xt225 no problem. Just do an Amazon search for jis screwdriver. Regards, Tom


That's interesting to know! A while back I was removing "secondary throttle plates (butterflies)" on my Yamaha FZ-1, as part of a performance modification. The word was out that only a specific brand of #2 Philips screwdriver had the best chance of not stripping the screw heads...something we REALLY didn't want to happen on the bike. It was an American brand though...

By the way, we heated the heads with a 100W soldering iron prior to loosening...to soften the loctite glue that the factory used in original assembly.

Alexd

Last edited by alexd; 08/06/12 01:58 AM.

(one) 2006 XT225, (two) 2005 XT225, 2006 FZ1
Re: Air/Fuel mix screw pic? [Re: alexd] #100533 08/06/12 03:36 AM
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tkerrigan Offline
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The American phillips drivers have a radius at the root of the four blades, the jis has no radius, goes down to a 90 corner. JIS works good on American screws, but the radius on the American driver keeps it from fully engaging the jis screws. I just ordered a set of long and short hex shank jis bits, $45 ouch. They will work well in my Ryobi battery powered impact driver. Regards, Tom


Re: Air/Fuel mix screw pic? [Re: tkerrigan] #100649 08/08/12 04:17 PM
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Wanabecruisen Offline OP
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Mission accomplished. Running much better now. Also added an in-line filter. Still some spit/sputter in the higher gears and can only get it up to about 50mph but it seems to be getting a little bit better each time I ride it. Any tips what to look for next?


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