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Full Version: Taken -1 Or-2 Out Of A Stock Swing Arm ?
YFZCentral > :::YFZ450 Performance::: > Tips N Tricks
davenportracing
im tring to find out if any one cut the stock swing arm in half and weldded back? pics if you have them
ballsdeep450
Ive never heard of anyone doing that. IMO i dont think its a good idea becuase the stock swinger is aluminum, after you weld aluminum it tends to get weaker at the weld point. plus welding aluminum is a pain! but you sure can polish the crap outta the stock swinger, check it out..

Opps
QUOTE (ballsdeep450 @ Mar 14 2009, 12:20 AM) *
Ive never heard of anyone doing that. IMO i dont think its a good idea becuase the stock swinger is aluminum, after you weld aluminum it tends to get weaker at the weld point. plus welding aluminum is a pain! but you sure can polish the crap outta the stock swinger, check it out..




Nice swing arm how did you do that>
ballsdeep450
thanks, i started off using a digrinder to get mostly all the rough finish off. then started off with 80 grit sandpaper then 150, 220, 400, 600, 800, 1000 grit sandpaper in that order the last two i used wet. it took about 2-3 weeks, but it was worth it.
04yfz450lsr
sounds like alot of work
YFZER359
looks rad dude.

Maybe when my motor blows i'll do that cuz she'll be down for a while lol porting and all that is probly gunna take a while so i'll take my time sanding and stuff.
ballsdeep450
thanks guys, but ya its definitely a process.
Black Hornet
I had mine extended 1.5 and have been mx racing it for a wial like that have yet to brake it.
Black Hornet
sorry for the bad pics and yes I know my bike is dirty it needs a bath.




Ryder25
We've cut a few down to race on the ice. -1, -1.75, -2, -2.25, and then roughly 6-8inches cut off too.
We've done a few on honda's as well as hand built 3 aluminum swingarms to different lengths.

Here is a studded quad (-2.25) and a rubber quad (-7ish)





This is what happened to our first one when we got lazy and didn't want to change out the -1 swingarm for another stock one in the summer.


We never built it to last jumping but they have held up plenty fine for tt and ice racing.
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