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View Full Version : new guy, XJ650 brat build



PickupMan92
03-21-2010, 7:08 PM
Sup guys,
Picked up an 81 XJ650 a couple weeks ago for $300. Needs some carb work, possibly new battery (got the old one charging), different handle bars and a little chopping going on.

I'm new to bikes in general, this is my first bike and my first build. I'll start off with my first question if y'all don't mind.

The stock seat on the XJ/XS is held down with the latch from the rear bar, since I'm removing that, am I going to have to fab up some brackets for a new seat? I'm keeping the shock mounts in place (no hard tail for me), so if y'all have any pics it would def help. here's a photo of the bike before I took the fairing off.

http://farm5.static.flickr.com/4023/4452067295_11842a5daf.jpg

VJ
03-22-2010, 5:05 AM
As long as both hinges are fwd of the chop you will only need to relocate the latch parts. That is if you want to retain the stock seat. Personally I'd get it running right and ride it a while before chopping it.

slimvulcanrider
03-22-2010, 12:51 PM
I agree with VJ... get her running right, then chop away... whats your plans with the fairing?

killtheking
03-22-2010, 1:15 PM
i finally get to see the dam thing!! we'll get 'er runnin this week hopefully. oh yeah, thanx for helpin me with mine on sat. that motor was heavy as hell.

earz
03-22-2010, 3:38 PM
Just a little advice. The XJ is a completely different monster than the XS. There is almost nothing that is interchangeable. I know from experience. I just sold my XJ and have begun fixing my XS.

The XS (twin cyl) has a seat that hinges and swings to the right side of the bike. Yours has a latch that allows the seat to be completely removed. If you chop it at all, you will need to figure out a way to mount the seat. Let me see if I have any pics of mine. I basically cut down the stock seat pan, shaved to foam to the desired shape and recovered it. Then made a bracket on the rear of the seat that would allow me to use just one bolt to hold it in place ( still used the front stock tabbed holddown)

earz
03-22-2010, 3:47 PM
Here's some pics. (overlook the shitty seat recover)

http://img.photobucket.com/albums/v230/earz_cd/xj%20bikes/XJ650/DSCN1735.jpg

http://img.photobucket.com/albums/v230/earz_cd/xj%20bikes/XJ650/DSCN1418.jpg

http://img.photobucket.com/albums/v230/earz_cd/xj%20bikes/XJ650/DSCN1420.jpg

http://img.photobucket.com/albums/v230/earz_cd/xj%20bikes/XJ650/DSCN1424.jpg

http://img.photobucket.com/albums/v230/earz_cd/xj%20bikes/XJ650/DSCN1728.jpg

http://img.photobucket.com/albums/v230/earz_cd/xj%20bikes/XJ650/DSCN1736.jpg

slimvulcanrider
03-22-2010, 4:25 PM
Lookin good

PickupMan92
03-22-2010, 7:58 PM
Thanks for the info earz, much appreciated. I should have her running by the weekend... the carbs are all gunked up and gotta clean em one night this week.

And yeah your motor was heavy as hell Nathan haha. thanks again for the shocks.

earz
03-22-2010, 8:13 PM
Prepare to experience the joy of hitachi carbs. If you end up needing parts for them, join xjbikes.com (if you haven't already) and order from xj4ever. I think he keeps everything and reasonable prices too.

PickupMan92
03-22-2010, 10:42 PM
I'm sensing a lot of sarcasm in that post earz... are they that much of a PITA? I have already joined xjbikes btw.

earz
03-22-2010, 11:57 PM
Mine were just super finicky. And no one relatively close to me kept parts for them, so needless to say, I had a lot of downtime due to not getting everything needed the first time around. Be sure to check the intake manifolds as they crack/split. I would also keep the airbox if possible - makes it a bitch to get those carbs dialed in properly with just pod filters.

PickupMan92
03-23-2010, 8:51 AM
ahhh ok, had me worried there for a few.

Well just a small update, the battery isn't holding a charge, so it looks like I have to grab a new one, it was completely dry when I popped the top off.

killtheking
03-23-2010, 12:39 PM
this oughta be good!!

PickupMan92
03-28-2010, 7:39 PM
UPDATE: Carbs all cleaned, new battery all charged, gotta clean the intake tubes and clean out the gas tank and should try and fire this thing up, wish me luck!

killtheking
03-29-2010, 9:37 AM
pic would be great

Xj650Dirty
01-19-2011, 4:09 PM
just wondering where you got those pipes?Im building a xj650 chop and those look sweet.