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xj900 1983

Thread
XJ900 Tachometer "sticking"

I took the 900 out yesterday to make a quick run to the grocery store before the snow started flying. When I was a couple blocks from home, I...

Thread by: co.dirtbiker, Dec 3, 2025, 4 replies, in forum: XJ Technical Chat
Thread
Broken XJ900 headlight bezel?

Took the headlight out of my '83 XJ900 to see what was back there, and I think I found a problem. It appears the only thing holding the headlight...

Thread by: co.dirtbiker, Apr 8, 2025, 6 replies, in forum: XJ Technical Chat
Thread
Wanted XJ900 31A Reflector bracket

Looking for this little bracket that holds the side reflector on the front frame rails of the '83 XJ900 Seca US model. I have a reflector, so I...

Thread by: co.dirtbiker, Apr 6, 2025, 2 replies, in forum: For Sale, Trade/Swap, Wanted
Thread
Removing XJ900 front brake light switch wires

Ok, I give up. The manuals are no help, and I can't for the life of me figure out how to disconnect the brake light switch wires from the master...

Thread by: co.dirtbiker, Mar 30, 2025, 5 replies, in forum: XJ Technical Chat
Thread
XJ-900 Seca Anti Dive Wire Clip Removal Aide

In the process of trying to rebuild my anti-dives on my 1983 XJ-900 Seca, I ended mangling the little wire clips (XJ4EVER part# HCP21521) that...

Thread by: co.dirtbiker, Mar 15, 2025, 0 replies, in forum: XJ 3D Printing & STL Files
Thread
Removal of XJ-900 Anti Dive top piston Brake Plunger Piston

I think I went through every post I could find on this site about the XJ-900 anti-dive unit, but I didn't find any that details how to get the...

Thread by: co.dirtbiker, Mar 9, 2025, 1 replies, in forum: XJ DIY How-To Instructions
Thread
'83 XJ900 Fork seals

Now that I have the bike running, time to address some of the other issues. When I pulled the front wheel to mount a new tire, I noticed the fork...

Thread by: co.dirtbiker, Feb 22, 2025, 6 replies, in forum: XJ Technical Chat
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Mikuni Carb Throttle Shaft Butterfly Screw Removal Aide

So, I finally got to experience the joy of trying to remove the throttle shaft screws on the Mikuni BS35s for my '83 XJ900. Fortunately, I have...

Thread by: co.dirtbiker, Nov 18, 2024, 2 replies, in forum: XJ 3D Printing & STL Files
Thread
XJ900 Seca Saga Continues...butterflies and throttle shafts

To catch up for anyone that missed my previous post where I discovered that someone had replaced the #1 carb on my newly acquired '83 XJ900 Seca...

Thread by: co.dirtbiker, Oct 26, 2024, 5 replies, in forum: XJ Technical Chat
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83 XJ900 Seca Carb Kits

Does anyone have a link to where they got their carb kits or know of another kit for a different bike that works for the XJ900? I have looked on...

Thread by: Bdroc20, Oct 12, 2024, 2 replies, in forum: XJ Technical Chat
Thread
1983 XJ900 Seca (or 1980-1983 XJ650 Maxim) Toolkit contents

My 900 is missing the factory toolkit. I'd like to find a replacement set for the sake of completeness. There are a lot of toolkits on eBay, but...

Thread by: co.dirtbiker, Oct 8, 2024, 3 replies, in forum: XJ Technical Chat
Thread
Wanted Mikuni BS35 carb(s) for '83 XJ900 Seca

I discovered that the previous owner had damaged the #1 (clutch side) carb and tried to replace it but put in a BS36 instead of a BS35. Obviously,...

Thread by: co.dirtbiker, Oct 5, 2024, 2 replies, in forum: For Sale, Trade/Swap, Wanted
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Mismatched carbs on '83 XJ900

You may have seen my other thread on some questionable wiring under the seat on my recently acquired XJ900 Seca. That was the easy fix. Yay. This...

Thread by: co.dirtbiker, Oct 5, 2024, 5 replies, in forum: XJ Technical Chat
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Under seat wiring routing on '83 XJ900

Just got a new (to me) '83 XJ900 Seca (US) to keep my '83 XJ750 Seca company. It's in pretty decent shape with less than 24,000 miles and I think...

Thread by: co.dirtbiker, Sep 30, 2024, 16 replies, in forum: XJ Technical Chat
Thread
Service Manual '83 xj900 seca

I just picked up my bike and would like to get my hands on a service manual to help with the project. I can't seem to find one that's for this...

Thread by: Bdroc20, Oct 18, 2023, 1 replies, in forum: Hangout Lounge
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HELP! Is having a rev limiter necessary? Digital speedometer install.

Hi fellow old bike fetishists! So I'm building an XJ 900 1983 scrambler/brat style bike. Currently I am in the process of replacing the original...

Thread by: Shabby cube, Jan 6, 2021, 137 replies, in forum: XJ Modifications
Thread
Replacement breather pipe 1983 XJ900

Hi I'm looking for breather pipe between the crankcase and airbox for my 1983 XJ900. I've added a link below that shows a diagram of the part I...

Thread by: thegeneralfuz, Sep 16, 2018, 5 replies, in forum: XJ Technical Chat
Thread
83 Seca 900

Good morning Gentlemen, Well today my FB notifies me of a Seca post in the market place. 83’ xj900 Seca for sale. Guy can’t get it to start,...

Thread by: Glen Botterbrodt, Jul 19, 2018, 3 replies, in forum: XJ Technical Chat
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XJ 900R (aka: XJ 900 SECA): Engine Rebuild/Replacement

I live in Tasmania, Australia and am on the hunt for parts to perform a full engine rebuild on my 1983 Yamaha XJ 900R (aka: XJ 900 SECA)....

Thread by: thegeneralfuz, Apr 28, 2018, 12 replies, in forum: XJ Technical Chat
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1983 XJ900 Frame

Puchased a 1983 XJ900 RK to turn into a cafe and the frame is crap. Was wondering what other models are enter changeable with this engine.

Thread by: Noah, Apr 18, 2016, 14 replies, in forum: XJ Technical Chat

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