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American Bikes, Build Threads & How-To’s Build threads, tech Q&A and conversations centered around custom-built American motorcycles

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Old 11-27-2010   #21
 
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here are some shots of the lift blocks for the shocks, keep in mind
they're not finished, just roughed out for the moment. I turned up 2 1/2" spacers between the shock and the lift block The bottom bolt is a 1/2" shoulder bolt that I turned the head down on to clear the brake caliper mount


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Old 11-27-2010   #22
 
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WOW!!!! I am still smiling after my first ride on the new and improved "S". The power to weight difference, the quickened turn-in and the much improved holding ability while in the turn are UNFUCKING BELIEVABLE!!! This baby wheelies like you wouldn't believe!!!
I feel like I have a comfy Buell now.
I'm hoping to get one of those helmet cams for Christmas so I can show y'all just how nice this conversion is!!!
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Old 11-28-2010   #23
 
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I dig man, the welding mask is a nice touch.
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Old 11-28-2010   #24
 
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The bike looks sweet, im not a fan of the stock seat and fender with it being jacked up... A cafe tail would complete the bike in my opinion
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Old 11-28-2010   #25
 
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Quote:
Originally Posted by svwannabe View Post
The bike looks sweet, im not a fan of the stock seat and fender with it being jacked up... A cafe tail would complete the bike in my opinion
Well, function is overruling form on this build. I actually dig the current look, but its mainly because my wife loves to ride with me.
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Old 11-28-2010   #26
 
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Here is an easy way to lock your custom caliper in place on your swingarm.
Its simply two little bobbins that are screwed into the brake plate and ride along the bottom of the swingarm to keep it from spinning when the brakes are applied.


I wish I could have countersunk the allen heads into the bobbins but I couldn't get my boring bar to work in that small hole properly.
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Old 11-29-2010   #27
 
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Noticed my chain was slapping my swingarm today and made a chain rub. I wanted to use a primary tensioner but I don't have one laying around so I used the next best thing, a cutting board! Easy peasy japanesey


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Old 11-29-2010   #28
 
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Is it slapping because the rear is lowered? I havent seen too many of those on the top side?
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Old 11-29-2010   #29
 
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Its because the rear is raised so much. It brings the chain closer to the top of the swingarm.
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Old 11-29-2010   #30
 
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when are you gonna lose that seat and show us one of your badass creations? not that this entire bike isnt badass, but i like to push the envelope with you
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Old 11-29-2010   #31
 
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hows that supertrapp working? ive only dealt with one and i thought the quality was subpar.
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Old 11-29-2010   #32
 
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Quote:
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hows that supertrapp working? ive only dealt with one and i thought the quality was subpar.
It is superb! This one is 12 years old, and the welds are all perfect. I've heard the newer ones( the last couple years) are not that well made.
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Old 12-05-2010   #33
 
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alright, next up on the list is the aluminum oil tank! I cut all the panels and bungs today, and will be sending it out to a bud to have it welded up. This will be mounted to the lower front downtubes of the frame to get the weight forward and down.
It will be spring mounted against rubber cushions to keep it isolated.
I'm going to change the battery to one of those new lithium ones that are 8(!) lbs lighter and it will be mounted under the swingarm at the rear of the frame.


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Old 12-05-2010   #34
 
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are you building the lipo battery or buying it?
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Old 12-05-2010   #35
 
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Quote:
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are you building the lipo battery or buying it?
It depends on what the cost difference is. If its only $20 to $30 difference I'll just buy it, but if its substantial I'll build it myself. Or I should say my buddy John will build it as he is an electronics wiz.
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Old 12-06-2010   #36
 
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shock height

Sweet bike and I've also read through your last sporty a couple times. Looking forward to following this while I plan my Evo sporty. How tall are those shocks? I'm looking at 13.5" or 14.25" progressive 412's
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Old 12-06-2010   #37
 
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Quote:
Originally Posted by DylanB70 View Post
Sweet bike and I've also read through your last sporty a couple times. Looking forward to following this while I plan my Evo sporty. How tall are those shocks? I'm looking at 13.5" or 14.25" progressive 412's
Thanks man, they're 14.25 with 1 3/8" lift blocks between the swingarm and the bottom shock mount.
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Old 12-07-2010   #38
 
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Question; Aren't most sport bikes kinda top heavy for quicker turn in? If so why are you moving weight down and forward? I would think weight placed further back would help with traction also. Anyway I really like what you are doing.
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Old 12-07-2010   #39
 
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Thanks!
In my experience lower center of gravity means better handling, think Eric Buell and his efforts at mass centralization. The weight bias of this bike is more towards the rear already so I'm moving weight forward to help equalize that distribution.
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Old 12-19-2010   #40
 
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spent some time finetuning my shocks and front end a few days ago and I finally found the sweet spot. I took the bike riding today with Heathen and a couple other guys through some sweet mountain roads today. It was PERFECT.
I made a nice new aluminum muffler brace and I had to redo my brake caliper stay.


The two bobbins and bolts were showing signs of weakening so I replaced them with 3/8" bolts and a solid chunk of 1/2" aluminum.

I also added another chain run under the chain running off of the rear muffler brace bolt.
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