maxim

  1. WestCoast_83Maxim

    Fuel tank edge trim? Yes or no

    Hello! I recently got an '83 xs400 maxim and am refurbishing it since it has that classic west coast damage of rust and salt stains. I was wondering about the edge of the fuel tank, if the bike originally came with a sort of trim? Where the top and bottom part of the fuel tank is welded...
  2. Qwervo

    Bent clutch push rod - Worn out housing

    Hi folks, I've posted about this issue in someone else's thread but was thinking it might deserve its own. I own an XS400 L Maxim 1984. I've been living with a manageable oil leak for the past 6000 miles, until I decided to investigate it. The leak is coming from the clutch push rod seal, what...
  3. Davis Fowler

    New rider lookin for tips on ordering parts

    Hey everyone, recently acquired an 83 maxim 400. It needed some new front brake pads, a bleed, and fork seals replaced, which I was able to do rather easily with a friends help. really enjoyed looking thru some these threads and learning about these bikes, especially seeing all the progress in...
  4. BambinoFan

    Xs400 Maxim Engine Rebuild

    Hey all, Just wanted to post my about my success pulling the engine outa my bike. Crazy experience so far, better feeling of achievement than playing Zelda right now. Bought the bike used last year, had a full summer of riding before the bike started falling apart on me. Oil leaks, slipping...
  5. B

    Xs400 engine job

    Hi everyone! I've very recently bought an 83 XS400 Maxim, I did a compression test and have about 35 psi difference in between the two (sitting on the bike, left 130psi, right 95psi) proceeded to do a leak down test and concluded the compression is going into the crankcase. I haven't opened it...
  6. BambinoFan

    Question on Main Jet sizing

    Hey friends, Looking to rebuild my carbs to deal with a running idle issue - Thinking the diaphragms are shot. While I'm in there figured I might as well re-jet the whole thing. Ordered a rebuild kit from Taiwan, now I'm just confused about the main jet sizing. Baby is a 84 xs400j Maxim. The...
  7. M

    1982 Maxim Gas Tank Compatibility

    I recently learned that my current gas tank on my '82 Maxim is starting to rust. I'm looking into replacing it, but have mostly found '81 tanks online. Would the '79-'81 tanks fit on the '82? I just want to be sure before purchase. I've included an image of the bike in question below:
  8. J

    1982 Maxim XS400 blowing main fuse

    So i was riding about a month ago, going over a hill when my bike died out on me. Pull over, tear it apart, find the main fuse blown. Replace the fuse, blows instantly as soon as I turn the key. I then found a melted connector under the gas tank, so i walked the bike about a kilometer home and...
  9. graphed

    '82 Maxim: Low Beam fine, High Beam and indicators not working.

    Just got my bike back from the shop and noticed they missed a few things... I'll be getting in touch with them but in the meantime I'd like to have a better understanding of a few issues: - Low beam works fine but the high beam is non-existent. Is this most likely a wiring or bulb issue? Would...
  10. bricks

    Minor oil leak on lower part of engine (83 Maxim)

    After cleaning up the engine I noticed a little oil leak up front on the lower fins and assumed it was the head gasket, but after further inspection it's coming from this little bolt. Anyone know what this is or how to stop the leak?
  11. bricks

    Carb fuel inlet, general question

    Hello everyone. First post, thanks for having me :) A friend gave me a 1983 Yamaha xs400 Maxim (wohoo!) and I just started fixing it up. It cranks but doesn't start/fire, so I rebuild/cleaned the carb, re-installed, set the petcock to prime and let it sit for a few minutes... It still won't...
  12. Renegade

    Renegade's Phoenix Build

    In 2006, at the young age of 18, I bought my first motorcycle: a black 1982 XS400J Maxim. I didn't even know how to ride at the time. I learned to ride on that bike, I learned to wok on motorcycles on it, even customize motorcycles on that very bike. I loved it. I rode as often as I could...
  13. N

    XS400J (Maxim) Alternative Forks

    Hi there, I hope it's ok to post this. I'm very new to the forum. I am in the UK and just bought an xs400j (Maxim). I was hoping someone has found some alternative forks for this bike because being in the UK, It's really hard to get frame & body parts. I'm not adverse to changing the head...
  14. 1982xs400

    For Sale - 1982 XS 400 Maxim, with extra parts * $ make offer *

    1982 XS 400 Maxim, with extra parts *$ make offer * have title, bike runs but needs front tire, chain and sprockets, maybe clutch,,chatter in 4th gear. rear tire has low miles. bike has 35,630 miles, see photos ***extra parts are original seat great condition, handle bars, rear foot pegs...
  15. Mike P

    Need carb help on an 83 Maxim!

    Hi everyone, I'm just finishing reassembly of my 83 maxim, and I can't get the carbs to sit properly in the airbox boots. They are looking a bit too worn out, as the clamps just push the carb out of the boot when I try to tighten them. I would love some advice for the following: 1) Any tricks...
  16. BladeRunner

    Best Race tire Maxim/Seca

    What is a good canyon carving tire for the maxim? I would like to go with Avons AM26 but Im unsure they will fit on my maxim(Got michelin commander 2 on there right now, really dislike them, although really good in wet weather) I do like BT45 and Pirelli Sport Demon, but what else is out...
  17. OopsAboutThat

    DOHC Seca/Maxim Engine Differences

    Hey all! I've recently started an engine rebuild here and I have a Seca engine as well as a Maxim engine. My plan is to use the best bits out of both engines. I've checked part numbers and it seems that the crankcase, head, cylinder, valves, camshafts and most other internals are all matching...
  18. J

    83 Xs400k Maxim troubles

    Hey, all. I've been going through and fixing up an 83 maxim for the last month or so. And although I've gotten through some of it, I still have a couple kinks to work out that I'm not quite sure how to solve. So here goes. As of a few nights ago I was out riding the bike around when I had a...
  19. lsevenh

    1982 Yamaha Maxim XS400J manual

    Hello! I am new here. A month ago I bought a 1982 Yamaha Maxim from my cousin, but he didn't have the manual. The VIN starts with 15G so according to my research it should be an XS400J. I am sorry if this has been posted before, but despite searching for a long time I haven't been able to...
  20. S

    82 Maxim DOHC 400 electronics retrofit

    Wow, the electronics on these old bikes are a NIGHTMARE. I started a build thread a few months ago, and got it finished (road worthy) a little over a month ago. Ive put about 1000 miles on it so far and i absouletly LOVE the bike. About a week ago, that hunk of junk left me high and dry though -...
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