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maxim

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Thread
1983 XJ750 Slipping into Neutral at High RPM

As is in the title, my bike, which has previously been running well, is now having a transmission problem. When I accelerate and try to shift to...

Thread by: Xander S, Jan 15, 2026 at 10:30 AM, 0 replies, in forum: XJ Technical Chat
Thread
Bike wont stay running

Hello everyone, this is my first post here so nice to neet everyone. I got my first bike this summer. Its a xj650. When i got it i changed the...

Thread by: John Horse, Oct 2, 2025, 1 replies, in forum: XJ Technical Chat
Thread
Before & After 1982 XJ650 Maxim

Here are some before and after shots of the bike. :D [ATTACH] [ATTACH] [ATTACH] [ATTACH] [ATTACH] [ATTACH] [ATTACH] [ATTACH]...

Thread by: Zoot_Suit, Jul 6, 2024, 11 replies, in forum: Hangout Lounge
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1982 XJ 550 MAXIM 6k rpm in 6th gear only doing 120kmph

I have a 1982 xj550 maxim I've had for a few months and it preforms poorly at highway speed, it rips through 1st to 4th gear no problem but when...

Thread by: Cfy22, Jul 1, 2024, 2 replies, in forum: XJ Technical Chat
Thread
Idle mixture screws

I pulled my carbs apart again after realizing i didn't clean everything that needed to be cleaned and when I peeked into my idle air screw slots I...

Thread by: Jacobern97, Jun 27, 2024, 5 replies, in forum: XJ Technical Chat
Thread
30% of the way there...

I start making her pretty this weekend. :D [ATTACH]

Thread by: Zoot_Suit, Jan 5, 2024, 386 replies, in forum: Hangout Lounge
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1986 Yamaha XJ700 Maxim - 19k - Runs Great

1986 Yamaha XJ700 Maxim 19k miles $2,500 OBO Midnight Blue 1986 XJ700 Airhead for sale. At 16k miles the engine was tuned up and brake...

Thread by: Dalpha22, Oct 20, 2023, 0 replies, in forum: For Sale, Trade/Swap, Wanted
Thread
XJ550 6th Gear

Hey everyone. Finally getting the ‘82 XJ550 Maxim on the road, and I can’t shift to 6th gear. 1-5 is all good; no problems. Are there any...

Thread by: j_ham, Oct 7, 2023, 10 replies, in forum: XJ Technical Chat
Thread
My 1983 XJ750 Maxim Thread

Thought I’d consolidate any more posts about my bike into one thread, seeing that I probably will need about a million posts to get her rolling...

Thread by: Xander S, Oct 1, 2023, 12 replies, in forum: XJ Technical Chat
Thread
Wanted 1983 XJ750 Maxim Gauge Cluster

Looking for a 1983 XJ750J Gauge Cluster in relatively good shape, but as long as the tach and speedo are accurate, I can fix one up cosmetically...

Thread by: Xander S, Sep 12, 2023, 11 replies, in forum: For Sale, Trade/Swap, Wanted
Thread
New XJ700 Owner!! NEED HELP… Backfiring issue

Hi All!! I purchased a 1986 XJ700 from a friend of mine, who was moving away… it was stored in a shed for 20+ years and in decent shape but needed...

Thread by: DGW2020, Sep 11, 2023, 0 replies, in forum: XJ Technical Chat
Thread
1983 XJ750 Maxim Speedometer Reading too Fast

I just got this bike recently, and it was apparent that it had been dropped, but the stock gauges were not on the bike initially, the person I...

Thread by: Xander S, Sep 6, 2023, 17 replies, in forum: XJ Technical Chat
Thread
NEW BATTERY - WON'T LIGHT UP / START

ALL- You've been incredibly helpful on this sight for my few years of 1981 XJ 550 Maxim ownership I recently (last 5 months) was recovering from...

Thread by: Jason Piccolo, Aug 20, 2023, 22 replies, in forum: XJ Technical Chat
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1985 XJ700 maxim - 19k miles - Runs Great tuned up and upgraded

1985 Yamaha XJ700 Maxim 19k miles $3,000 OBO At 16k miles the engine was tuned up and brake system completely rebuilt and upgraded. Has...

Thread by: Dalpha22, Jul 31, 2023, 2 replies, in forum: For Sale, Trade/Swap, Wanted
Thread
XJ550 Mikuni BS28 Pilot Screws

Hey everyone. I'm trying to get my '82 XJ550 Maxim carbs tuned up, and I've run into a bit of an issue with the pilot screws/idle mixture...

Thread by: j_ham, Jul 12, 2023, 4 replies, in forum: XJ Technical Chat
Thread
XJ550 Maxim Caliper Rebuild

Hey, y'all. Just a quick questions on brake caliper rebuilds: Does the flat side of the piston or the "cup" side of the piston go against the...

Thread by: j_ham, Jun 22, 2023, 7 replies, in forum: XJ Technical Chat
Thread
'82 Maxim runs better with choke on, even after warmed up

Howdy all, I'm a new owner of an '82 XJ650J Maxim, and I'm having an issue with my bike. Everything is stock, including jets. Upon purchase, the...

Thread by: Nico Gallo, Jun 3, 2023, 35 replies, in forum: XJ Technical Chat
Thread
Starter Button is sticking

I am working on an 86 Maxim Xj700 When I push the start button it sticks in the on position and I have to pull the button out. I have taken it...

Thread by: idle_purr, May 25, 2023, 8 replies, in forum: XJ Technical Chat
Thread
XJ550 Maxim front sprocket

Replacing the sprockets and chain on my 1982 XJ550 maxim. My front sprocket is held on with just an e-clip. All the secas I’ve seen have shown...

Thread by: j_ham, May 13, 2023, 2 replies, in forum: XJ Technical Chat
Thread
Clean Title - 1980 XJ650 Maxim 1 - No issues

Take a ride on the smoothest and most satisfying vintage Yamaha… the XJ650 Maxim 1! This beautiful and bulletproof inline four cylinder engine...

Thread by: Palmer650#2, Dec 23, 2022, 0 replies, in forum: For Sale, Trade/Swap, Wanted
Thread
Pilot jet

Hi, I have an xj650 maxim, 1981, US model imported to the UK. I bought the bike seized, and whilst waiting for rebore I have stripped and...

Thread by: Karl Morgan, Dec 19, 2022, 18 replies, in forum: XJ Technical Chat
Thread
Xj650 final drive cleanup

Hello all, This is my first post so I’m hoping this is the right area to post this. I recently purchased a 1982 xj650 Maxim w/ 38,xxx miles. The...

Thread by: Xj-mrG, Sep 16, 2022, 3 replies, in forum: XJ Technical Chat
Thread
82 XJ650 Parts Bike

Hey guys, I have an 82 XJ650 Maxim for parts. It wasn't running when I got it, so I don't know what the condition of the motor or transmission...

Thread by: Bleechmint, Aug 3, 2022, 4 replies, in forum: For Sale, Trade/Swap, Wanted
Thread
1985 Maxim-X XJ700XN carbs

Had this bike for years and have done a variety of work on it. Right now working on the carbs, messing with main jet. Previous owner removed...

Thread by: Daniel Carter, Jul 31, 2022, 0 replies, in forum: XJ Technical Chat
Thread
Dual disc brake conversion

Hello all. I have a XJ650 which ive converted to a dual disc brake using the maxim setup. My issue is i can not get any pressure in the master...

Thread by: Joem, Jul 17, 2022, 2 replies, in forum: XJ Technical Chat
Thread
1981 xj550 maxim mystery seal/cap

Hello all, I recently bought a 1981 xj550 maxim and decided to chase an oil leak. Found a round black seal/cap under the YICS cover on the right...

Thread by: nick824, Jul 5, 2022, 0 replies, in forum: XJ Technical Chat
Thread
Clicking sound- XJ700 Maxim X

Hello all, have been lurking on the forum over the last few months as I have gotten my bike back on the road and it has been a big help, but am...

Thread by: ace101q, May 24, 2022, 9 replies, in forum: XJ Technical Chat
Thread
Front brake light

Hi all! Another question! I have a 1982 xj750 maxim. Im not exactly sure what the previous owner all did to it but there was already some...

Thread by: Rebecca Proppe, Apr 7, 2022, 3 replies, in forum: XJ Technical Chat
Thread
Wanted Looking for a Gas Tank for XJ550 Maxim

Been trying to track down parts for this eternal project...need an XJ550 Maxim tank? Anybody holding?! Got leads? Desperate and all 'easy'...

Thread by: Jason Piccolo, Mar 24, 2022, 15 replies, in forum: For Sale, Trade/Swap, Wanted
Thread
XJ650 Throttle Tube Options

What is everybody using for a replacement throttle tube? All that i can find on the internet is the OE replacement that includes the grip. Anybody...

Thread by: mbarrett96, Mar 4, 2022, 1 replies, in forum: XJ Technical Chat
Thread
Aftermarket clutch plates issue

I ordered new clutch plates for my 82 XJ550 Maxim and I noted that the Barrett steel plates are not tabbed/don’t have an asymmetrical shape and...

Thread by: BhamXJ550, Feb 11, 2022, 1 replies, in forum: XJ Technical Chat
Thread
1986 Maxim xj 700 tank swap

Hey guys, im not seeing any info in regards to swapping tanks from the maxim 700 of 1986 to any of the xj/seca models, does anyone know if this is...

Thread by: hieu tran, Jan 11, 2022, 4 replies, in forum: XJ Technical Chat
Thread
For Sale 1982 XJ550 for Sale

Selling my 1982 Maxim XJ550. Located near Frankfurt Germany. Runs and drives well, not looking to part out at this point. Started the process of...

Thread by: ybotrunner, Nov 14, 2021, 0 replies, in forum: For Sale, Trade/Swap, Wanted
Thread
Wanted 1980 XJ650 (4H8) 4:2 Exhaust

I have a 1980 XJ650 Maxim and I am looking a 4:2 exhaust system in decent condition. I am willing to pay with paypal or to trade an XJ550 Maxim...

Thread by: Jimmothy, Oct 11, 2021, 0 replies, in forum: For Sale, Trade/Swap, Wanted
Thread
1981 xj650 maxim has no spark

Hello all, I recently purchased a 1981 xj650 maxim that hadn’t run in about a month. Has recently tuned carbs but no spark, no neutral light and...

Thread by: Tglikesbikes, Oct 11, 2021, 0 replies, in forum: XJ Technical Chat
Thread
For Sale Motivated to sell XJ700N, make an offer!

Hi guys and gals, Some of you have probably seen me trying to sell this bike in the past. I guess my price was too high. Make an offer! I just...

Thread by: pygmy_goat_, Sep 21, 2021, 0 replies, in forum: For Sale, Trade/Swap, Wanted
Thread
Starting/Running Turn off Then No turn over and seized ?

I got his bike, the guy said it was running, before he had an issue he could figure out, about 2 or 3 years ago. It had an Electrical issue, I...

Thread by: DADSGETNDOWN, Sep 6, 2021, 34 replies, in forum: XJ Technical Chat
Thread
For Sale XJ650 tear down

I am tearing down an untitled XJ650 have have parts to sell. Have been posting on eBay. Currently listing rear fender with light. Reply if you...

Thread by: QuietLee, Sep 2, 2021, 3 replies, in forum: For Sale, Trade/Swap, Wanted
Thread
12 volt accessory or USB specific Mod?

Hello, Was just looking at trying to add either a 12 volt output (aka cig lighter) or a USB specific plug into the electrical system of 1986...

Thread by: Eldenhiemer, Aug 13, 2021, 3 replies, in forum: XJ Technical Chat
Thread
XJ650 Handlebar Swap Help

Hi, I have an 81 XJ650 Maxim and I have the curled handlebars and would like to swap to the XJ550 model’s bars because the manual says the bars...

Thread by: John Caragianis, Apr 25, 2021, 5 replies, in forum: XJ Technical Chat
Thread
Newbie questions

I'm going to check out and probably buy my first bike today I'm looking at 1982 yamaha xj750 maxim looks real mint in the in pictures and for 1000...

Thread by: Joseph Draher, Mar 16, 2021, 6 replies, in forum: Hangout Lounge
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For Sale 1982 XJ650 Maxim Parts

[ATTACH] [ATTACH] [ATTACH] [ATTACH] [ATTACH] [ATTACH] I have miscellaneous 1982 xj650 Maxim parts for sale message me if your interested in...

Thread by: Dalexander, Mar 2, 2021, 6 replies, in forum: For Sale, Trade/Swap, Wanted
Thread
Any tips for bending clutch nut locking tab

I started trying to bend this nut locking tab over by propping the screwdriver against the clutch basket and the tab and smacking the end of the...

Thread by: eigenseca, Jan 21, 2021, 3 replies, in forum: XJ Technical Chat
Thread
Turbo XJ650 Maxim (Maybe)

I've recently decided to rebuild my maxim ground up and had a crazy thought when I started to think about the intake... Lots of people hate the...

Thread by: LPKirby, Dec 29, 2020, 29 replies, in forum: XJ Modifications
Thread
1982 XJ650 Maxim Build

My little brother started me down the path to XJs a couple of years ago when I needed a winter project. After I finished a rather minor...

Thread by: jjcurtiscb, Dec 21, 2020, 0 replies, in forum: XJ Modifications
Thread
Yamaha XJ550 Maxim

Hi, I need to pick your XJ bikes' owners' and enthusiasts' brains about my XJ550 maxim! :) hopefully your expertise would help me with this bike!...

Thread by: old's cool, Nov 18, 2020, 25 replies, in forum: XJ Technical Chat
Thread
This is what I created with help from this fine community

About 2 years ago (and into last spring) I came onto these boards looking for help fixing a 1982 XJ650 Maxim. My questions ranged from carb...

Thread by: jjcurtiscb, Oct 22, 2020, 9 replies, in forum: Hangout Lounge
Thread
Bike seems to flood itself out as it warms up

So I recently started rebuilding my 82 xj650 maxim. I have receipt rebuilt the carburetors. It will flood itself out while sitting there not...

Thread by: Alex Siddall, Sep 27, 2020, 6 replies, in forum: XJ DIY How-To Instructions
Thread
For Sale 1985 XJ700N, Ride Away! NYC Area

With regrets, the time has come to part with my '85 XJ700N. I've had it since 2013, and every ride has been a joy. The previous owner had it...

Thread by: immy, Sep 15, 2020, 0 replies, in forum: For Sale, Trade/Swap, Wanted
Thread
For Sale 82 XJ750 & 1100 combo parts bikes for sale

Have a 82 XJ750 and 1100 for sale. Both parts bikes, but the 750 is close to running. I got everything moving until i realized the 750 had no...

Thread by: BarnfindXJ, Sep 4, 2020, 1 replies, in forum: For Sale, Trade/Swap, Wanted

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