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Old 12-04-2017, 02:56 PM   #1501
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Re: THE TWTex XR400 Thread.

Drain tank also and start all over with new fresh gas.


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Old 12-12-2017, 03:22 PM   #1502
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Re: THE TWTex XR400 Thread.

With no ethanol!
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Old 01-12-2018, 03:51 PM   #1503
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Re: THE TWTex XR400 Thread.

Carb cleaned and reconnected, still no go. Best I get is a super loud pop followed by some smoke from the exhaust.
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Old 01-13-2018, 01:02 PM   #1504
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THE TWTex XR400 Thread.

Quote:
Originally Posted by Kilroy View Post
Carb cleaned and reconnected, still no go. Best I get is a super loud pop followed by some smoke from the exhaust.
That sounds like symptom of a valve slightly open, check your manual compression lever/cable tension and adjustment for smooth operation. You may have an exhaust valve hanging open.

When you removed the pilot jet, Could you see daylight through it?
You said it ran for a few seconds then pops on subsequent attempts to start it - so we can assume spark.
So if you got a fresh plug, fresh gas, clean carb. It should start.

Some will cringe here but try a shot of starter fluid into back of carb. (Probably best to remove air filter cause if it pops back - as in tight or open intake valve - it may catch filter on fire with fluid) so be ready for that!!

Otherwise you may need to dig deeper and check compression, check valve adjustment.

Fuel, compression, spark - it should start!


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Old 01-29-2018, 03:50 PM   #1505
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Re: THE TWTex XR400 Thread.

Took the carb off, re cleaned it to be sure, got ethanol free gas, tried starter fluid in the back, still nothing more than a ringing ear from the bang I get about every 3 tries. Compression lever and cable are operating smoothly.
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Old 02-03-2018, 11:32 AM   #1506
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Re: THE TWTex XR400 Thread.

Only thing I haven't really toyed with is the idle screw on the carb. Would that be giving me any trouble? It's got the TM36 pumper carb on it, anyone have a guess as to how many turns out that should be?
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Old 02-03-2018, 01:45 PM   #1507
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Re: THE TWTex XR400 Thread.

When I bought my current XR4 it had been sitting for at least five-seven years. I could not keep it running for more than a few seconds even after multiple carb cleanings. Each time after cleaning it started perfectly then sputtered and died with any opening of the throttle. Finally my simple brain realized I was sucking something into the carb from the tank. Careful inspection revealed some flaky, white stuff in the tank. Cleaned it several times with a pressure hose and installed an inline filter. The petcock had deteriorated into almost nothing. Bingo!!! Never any ethanol since. Since '07 it has had less than 100 miles on it and still starts and runs perfectly with never more than three kicks.

Last edited by Irishcoffee; 02-03-2018 at 01:47 PM.
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Old 02-14-2018, 03:18 PM   #1508
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Re: THE TWTex XR400 Thread.

Sold my personal XR4 and selling off some stuff from it. Got a Mmoto "Whole Welded" pannier rack made for soft luggage Im selling. Was mocked up but never installed or used. Here is a pic of it from the site and it lists for $175 + $69 shipping. Ill take $140 for it. Got brand new unused Givi soft waterproof saddlebags and tail pack that retails for $199 + $99, that Ill sell as a set for $200 total. Located in E. Ft Worth. You can either pm me here or for faster response txt me at 469-432-eight 918
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Old 02-20-2018, 01:07 PM   #1509
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Re: THE TWTex XR400 Thread.

Update: RUNS AGAIN!

Finally sucked it up and took it to a buddy, who noticed that I had disconnected the stator among other things when I took the carb off to clean it. Back to a 2nd kick bike.
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Old 02-20-2018, 02:47 PM   #1510
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Re: THE TWTex XR400 Thread.

Quote:
Originally Posted by Kilroy View Post
Update: RUNS AGAIN!

Finally sucked it up and took it to a buddy, who noticed that I had disconnected the stator among other things when I took the carb off to clean it. Back to a 2nd kick bike.
Your wife was right! Sorry, that one just jumped out before I could stop it.
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Old 06-29-2018, 02:26 PM   #1511
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Re: THE TWTex XR400 Thread.

Breaks my heart to do this, but the injury to my foot has turned out to still be worse than I thought. I can't kick the XR over reliably without an occasional stab of really severe pain. Rather than try to track down and install an e-start, I'm just cutting my losses and selling it.

It's Philip's old bike. He did all the work (other than a recent carb cleaning by yours truly) and it's great. Just needs someone who is capable of kicking it, and doing so more regularly than me. Between the kid and my foot, I'm out of luck.
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Old 06-29-2018, 05:11 PM   #1512
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Re: THE TWTex XR400 Thread.

Quote:
Originally Posted by Kilroy View Post
Breaks my heart to do this, but the injury to my foot has turned out to still be worse than I thought. I can't kick the XR over reliably without an occasional stab of really severe pain. Rather than try to track down and install an e-start, I'm just cutting my losses and selling it.

It's Philip's old bike. He did all the work (other than a recent carb cleaning by yours truly) and it's great. Just needs someone who is capable of kicking it, and doing so more regularly than me. Between the kid and my foot, I'm out of luck.

I'd buy squeaky in a heartbeat if I didn't have a baby due in 3 weeks, and was starting a home inspection business on the side.
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Old 06-29-2018, 10:23 PM   #1513
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Re: THE TWTex XR400 Thread.

Quote:
Originally Posted by thrill-billy85 View Post
I'd buy squeaky in a heartbeat if I didn't have a baby due in 3 weeks, and was starting a home inspection business on the side.
My kid turns 1 next month. If my experience is any indication, you won't have the time
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Old 07-05-2018, 01:52 PM   #1514
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Re: THE TWTex XR400 Thread.

Quote:
Originally Posted by Kilroy View Post
Breaks my heart to do this, but the injury to my foot has turned out to still be worse than I thought. I can't kick the XR over reliably without an occasional stab of really severe pain. Rather than try to track down and install an e-start, I'm just cutting my losses and selling it.

It's Philip's old bike. He did all the work (other than a recent carb cleaning by yours truly) and it's great. Just needs someone who is capable of kicking it, and doing so more regularly than me. Between the kid and my foot, I'm out of luck.
I'm interested.
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Old 07-21-2018, 05:32 PM   #1515
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Re: THE TWTex XR400 Thread.

https://austin.craigslist.org/mcy/d/...649766779.html

Featuring our very own Philip Barrett because I don't take enough pictures!
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Last edited by Kilroy; 07-21-2018 at 05:32 PM. Reason: forgot link
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Old 08-07-2018, 04:03 PM   #1516
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Re: THE TWTex XR400 Thread.

Making my introduction. Just picked this one up a few weeks ago. Previous owner took great care of it. I need to adjust the sag on the shock since I'm about 25 pounds lighter than the last owner. Once I get more comfortable on the bike and familiar with the range I'll take it out for some of the TWTEX group rides.


It's a 96 XR400R, ignore the decals on the plastics.

Last edited by Whiskey&Bacon; 08-07-2018 at 04:06 PM.
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Old 08-07-2018, 05:23 PM   #1517
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Re: THE TWTex XR400 Thread.

Quote:
Originally Posted by Whiskey&Bacon View Post
Making my introduction. Just picked this one up a few weeks ago. Previous owner took great care of it. I need to adjust the sag on the shock since I'm about 25 pounds lighter than the last owner. Once I get more comfortable on the bike and familiar with the range I'll take it out for some of the TWTEX group rides.


It's a 96 XR400R, ignore the decals on the plastics.

If you're not married to the a-loop seat, tank, and shrouds, and want enough capacity to actually do some DS rides, that gear has a pretty high Street value on eBay.... Like $400+ to the right guy.
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Old 08-07-2018, 10:23 PM   #1518
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Re: THE TWTex XR400 Thread.

Quote:
Originally Posted by thrill-billy85 View Post
If you're not married to the a-loop seat, tank, and shrouds, and want enough capacity to actually do some DS rides, that gear has a pretty high Street value on eBay.... Like $400+ to the right guy.
Good to know TB. I have the original seat and tank as well. The ALoop seat seems nice but on it I sit much higher than expected. I cannot sit flat footed. It seems like in technical terrain I would want to sit lower in the bike, but I'm not sure. I was expecting a lower seat height for some reason. Perhaps changing the rear shock will get me there.

Right now I'm just glad that I found a nice XR400. I have a few plans for modifications down the line. Mostly cockpit related, but I'm reading into other engine mods.
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Old 08-10-2018, 12:11 AM   #1519
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Re: THE TWTex XR400 Thread.

That's a good lookin' bike! Nice find.
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Old 08-10-2018, 08:00 AM   #1520
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Re: THE TWTex XR400 Thread.

Thanks Killroy. I see your listing has been removed. Who ended up with your's?
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