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Brewsir
01-31-2011, 10:37 PM
My buddy came over yesterday with a stock 4 stroke 500 cc honda dirtbike...we got it hardtailed and most of the fab work done in about 7 hours. Stretched the rear almost 4 inches and by dropping the frame down low it raked out the frontend. Still looking for a proper tank (wassel would be righteous (wish I still had a couple of the old NOS Hap Jones tanks I bought when they found a warehous full in SF)
I'll try to get better pics when we get more progress!
http://i536.photobucket.com/albums/ff327/custmf100/honda500chopper.jpg
http://i536.photobucket.com/albums/ff327/custmf100/joshchop.jpg

Mollard
01-31-2011, 11:05 PM
More pics.

PS. Run the DB front fender.

jstein
02-02-2011, 12:06 PM
Thanks for the inspiration been wanting to chop my 82 xl500 for a while now.

deathmetaldan
02-02-2011, 7:35 PM
did you use the axle plates from the stock swing arm and just lob off the rest?

Brewsir
02-03-2011, 10:43 AM
We cut the swingarm and welded in some smaller diameter pipe to extend the rear wheel back about 4 inches. Then I cut off the stock backbone and replaced it wih a chunk of DOM tubing...with a little smashing with a hammer the tubing slid inside the piece of backbone that we left near the neck. Then I bent some 1 1/4 DOM to make the hardtail.....welded it to the new backbone and to the stock (trimmed) axle plates (with the swingarm still in so it all stayed square) Bent some lower frame pieces to go from the plates to the lower crossmember behind the engine. Once it was all welded up solid we cut out the swingarm and cleaned it all up. Lastly I added a crossbar just ahead of where the rear fender will be and tied it to the lower crossmember...it really stiffens up the whole frame. I've done 4 or 5 bikes using this method and it works well. I'll take my camera over to my shop next time I go.

NHMike
02-03-2011, 11:30 AM
Nice work.

groove
02-04-2011, 5:21 PM
Looks mean!

bforbes
02-05-2011, 8:57 AM
yyeeaahhh, this is goood.

wickedblockhead
02-05-2011, 10:34 AM
we need more dirt bike chops like this!

UNKLian
02-05-2011, 10:42 AM
The seat post looks awkward and out of place.

The rest is cool so far.

Brewsir
02-05-2011, 11:46 PM
the seatpost is going to support one of the rear shocks as a seat shock...then it will look a little better. We finished the tank mount today and welded the bars,got the rear brake working,finish welded everything and mounted the exhaust...total investment so far (the bike was free from my buddy Josh's dad) is $130 including the steel,tank and welding supplies....not bad!
http://i536.photobucket.com/albums/ff327/custmf100/joshbike3.jpg
http://i536.photobucket.com/albums/ff327/custmf100/joshbike2.jpg
http://i536.photobucket.com/albums/ff327/custmf100/joshbike.jpg
http://i536.photobucket.com/albums/ff327/custmf100/joshbike1.jpg
Josh checking the fit!

Brewsir
02-06-2011, 10:41 AM
one more side view
http://i536.photobucket.com/albums/ff327/custmf100/joshchop-1.jpg

Brewsir
02-22-2011, 8:06 PM
here's some fuzzy update pics....dual seat shocks,amber headlight..getting ready to blow apart and paint.
http://i536.photobucket.com/albums/ff327/custmf100/joshbike13.jpg
http://i536.photobucket.com/albums/ff327/custmf100/joshbike10.jpg
http://i536.photobucket.com/albums/ff327/custmf100/joshbike9.jpg
http://i536.photobucket.com/albums/ff327/custmf100/joshbike8.jpg
http://i536.photobucket.com/albums/ff327/custmf100/joshbike7.jpg

deathmetaldan
02-22-2011, 10:04 PM
i really like everything you did but the exhaust, whats the deal with that?

SoNorthCustoms
02-22-2011, 10:10 PM
I think it's the stock muffler just tipped down, buy yeah, it's not working. If anything, just chop it off before it bends down. I think that would help it out a lot.

Brewsir
02-23-2011, 10:33 AM
its a KTM muffler...my buddy wanted to run a muffler to keep the fuzz away...and for good backpressure....it may still get changed.

icufltrn
02-23-2011, 11:38 AM
that is looking really cool. I like it.

ChoppyGee
02-23-2011, 1:09 PM
that thing is mean but lose the Goalie stick hanging off the side.