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yes it is..tach and speeo both work fine. $30 plus shipping? Jeff

My boys have graduated to FJ1200s so we are selling off all the XS400 stuff: Complete motor $300 - only 6,000 KMs Frame, rear shock, wheels, forks, $150, wiring harness 75, igniter 100, misc other parts email for details, Also complete running registered bike with all plastic 900,

Soe hints from the web...and a littel editing: There are some general guidelines to follow when running a compression test on a four-stroke gasoline engine. Rotary, two stroke, diesel, and other types of engines require a different procedure. It's always a good bet to follow testing steps...

Hi Domo, Did you check the compression? Jeff

Hi The serial number is on the engine and on frame/sticker; the two should match unless the engine has been changed out. It is not the typical VIN...less digits (9) as you point out. What was the website for the new ignitor? Not sure if the later SOHC bikes the same ignitor or not...

Sounds like the ignitor to me. I have had two fail; That being said I replaced with spares I had but did not try to clean the contacts up first. Spares worked well. So question is: has anyone found a replacement for the oem DOHC ignitor? Ebay shopping for these used ones is getting...

Most likely you will need to pull carbs. They are pretty simple Here are the steps: 1) Get a manual: you can find one oneline; there are also some really good drawings on this forum 2) Read a bunch of the posts on this forum; there are some real experts here on these carbs 3) Pull the...

Thanks again to everyone for the help. Tried a bunch of things and then pulled the cards again. Turns out the mechnainc (was that me?) did not tighten the main jet on the left carb. It was loose and rolling around in the float bowl. Buttoned it all back up. Runs great and my son took off to...

all bone stock. mufflers are good (ie no holes). air filter new. stock jets. Jeff

Back again everyone, So the bike now starts and runs well. Took it to shop and valve clearances were checked (good), and carbs synced. Will rev to redline in neutral. Finally the snow disappeared, and we got ride it. Pulls pretty good til @5000 RPM then acts like it has a govenor on it...

Put carbs back together on Friday a night and today got them out to the shop. Really worked on the enrichener circuit and was all clear except for one float bowl. Today applied heat to the float bowl with propane torch. This seemed to do the trick as I was then able to spray carb cleaner...

Hi, My name is Jeff, and I am addicted to carburetors, and I am willing to go through the twelve step process (sorry that’s my other group). Yes, I had mine apart last night and boiled the bodies in vinegar and was (that smells awful) threatened with same treatment from “she who cannot...

Thanks...I agree the valves need looking at as well. thanks!

Good job drop over sometime; love to see your magic!

Hi NFriday, The folks here have been a big help in sorting out my problem. Similar to mine, it cannot draw fuel to start, so it has to be a vacuum leak issue, or a cleanliness issue. Related to the cleanliness issue is float height. First of all clean: You wil have to pull the carbs...

Thanks everyone: did not get mch doen today except check float height again. Seems left one is low compared to right. Some very good info in here: http://www.wgcarbs.com/forum/index.php?topic=1812.0 on enrichener circuit and float bowls which I had not seen before. The saga...

Thanks everyone for your help. Pulled the carbs agaian and sprayed cleaner through passages. Adjusted float to match right side. Also was very careful putting piston valve in grove on top side (this may have been the issue?) Had to use on ether to get it going, but once warmed up it ran...

Keep in mind that Seca and the XS 400 Maxim use the same frame...so if you find a Maxim you could bolt in your engine. Jeff

Thanks will check TCI as well, although we have another identical bike that runs well on this TCI. Could still be problem in circuit though. As I understand it there is no timing adjustment. In terms of cam timing, if it is not correct, it seems to me that both cylinders should act the...