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Old 04-25-2012, 07:45 PM   #151
Feedback Cycle OP
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Continued...

I had to take a step backward and finalize my sub frames. There were things I needed to resolve.

On the front, I removed all the weak U bolts and replaced them with an all bolt design.

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I also, removed some excess metal and added gussets everywhere.

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Painted black and whola!

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The bottom long bolts are bolted through the frame and the engine mounts. I feel confident they are strong.

I created a plate that bolts to the opposite side of the frame and is connected with a massive3/4" hardened bolt and weld-in bung. Even if the smaller bolts shear, it cannot come free of the frame.

I feel confident the front is solid.

I've been working the rear sub frame. Almost done. Major improvements.
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Old 04-25-2012, 09:18 PM   #152
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I like that a lot better, less chance of frame damage.
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Old 04-27-2012, 05:48 PM   #153
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Agreed. I was worried the clamps would pinch my tubes.

Rear sub frame updated.

Again, I removed all C bolts. New bottom frame uses two hardened bolts into the frame(old centerstand holes)

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The entire upper part was redone. More accurate and nicer looking solution.

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You can see I added a few gussets here and there.

A major change was the addition of two plates near the foot rest. Hardened bolts now pass through to the frame.

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It feel rock solid.

Funny, I had it all covered when IO was tack welding but I still got residue on the metal near my footpegs. It however is only residue and wipes of. Whew!
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Old 04-27-2012, 06:52 PM   #154
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Just proves we're only Good not God.
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Old 04-27-2012, 08:18 PM   #155
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Yeah.

Now back to the fun stuff. Hopefully I have removed the 'hebie jeebies' at speed.
I will take it to a parking lot and do everything I can to break it.

Now I need some storage... or maybe different bars? Different forks? Paint? Bodywork? Seats? Ballast? Fuel can? Lights? Graphics? Jeez have I got anything done at all?
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Old 05-03-2012, 08:15 PM   #156
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Continued...

I've been experimenting. Cut a panel and pop-riveted it into place. I had plans to cut out shapes, paint them then use nuce square head stainless screws but it al required such a level of finish that I couldn't take it. So, this will just be painted. I actually want to de emphasize the rivets as the whold bomber home built look just seems over done. But it does add a nice texture.

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Next is my handlebar experiment. I added a simple support bar because I was getting flex when I really cranked on it.
Also, I rammed a piece of steel into the left handlebar for more leverage. It helps but I am simply going to have to reduce the trail the proven ways. When riding, it's like hilding up a 1lb weight in your hands. No big deal but after 15 minutes, your whole body is aching. Combined with the snarl of the engine, this hack is just plain hyper and a little violent.

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Finally, I have started making a wire cover for the wheel/shock tower. I had always planned on covering the area but could never accept how much room I lost because of the pivot and mount points. Then I realized that I didn't really want to 'cover' it up, I just wanted to keep people from falling in. I plan to add more vertical rods so it looks like a square grid. It will bolt in place. I think it could look trick.

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Old 05-03-2012, 09:33 PM   #157
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I took a bar end off a old mountain bike and bolted it the end of the left bar for leverage and a place to rest my hand on looooong straight CROWNED roads!.


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Old 05-04-2012, 02:58 AM   #158
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Thats starting to look pretty good....
have sorted the seating out yet ?
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Old 05-04-2012, 11:43 AM   #159
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No seat yet. When I do, I currently think that it will be simple, bench like. Not chair type with arms or back.
But who knows.
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Old 05-08-2012, 08:08 AM   #160
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I've taken the step to reduce the trail.
Using http://www.buymotorcycleparts.com/kawasaki_parts.htm# I was able to upen two windows and compare part numbers on different models. The KZ1100 spectre is my match.

My GPZ and the KZ share the same inner fork # as well as complete wheel /hub assembly (except for finishes).
They use exactly the same brakes and disks. Even the fork internals (springs, etc) are the same.

The only major difference is the fork lower (mine has a center axle, the KZ has a front axle)

The KX does however use a different tripple tree and but I don't plan on swapping that out. I hope to just slide the replacement forks into place and swap components. Will it be that easy? Of course not.

I'll post an update when they arrive.
Will it provide a noticeable difference? Anything could help.

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Old 05-13-2012, 07:54 PM   #161
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Big steps.

I got my forks from a Kawasaki 1100 Spectre. It has a axle forward of the forks (mine are centered). This should reduce my trail and allow easier steering. I don't know exactly how much though.

Someone had painted them black. Yea for me.

I strapped up the hack and went to work. I seem to have some mental hangup about tearing apart something that is working.

First I pulled out the calipers and made some measurements. Seemed to look good.

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Here you can see how the fork lowers pinch the axle bolts

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Off comes the wheel and cross brace and fender

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Yanked off the Forks and compared them to the new ones.

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My axle

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The biggie. Wheel in place, brakes and discs line up. But... I need a different axle and nuts as mine is too short.
Ordered one via ebay for $20. Should have it in a couple days.

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BTW, this nut on the top of my fork would NOT budge. I broke a wrench and threw a tantrum. Went and got a different socket and some penetrating oil. Finally came free. I have broken blood vessels on my sholder from cranking so hard.
Some of the breaker bars I tried.

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The hack officially back to a 2 wheeler
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Old 05-13-2012, 07:56 PM   #162
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Contunued...

So while I wait to finish up the bottom, I have an issue with the top. The top of the forks are totally different and since my handlebars fit over the tubes and screw in place, I have a problem.

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First I think, no biggie, I will fab a new handlebar clamp that will bolt on top and move my bars wider.
But, I lost interest. This is just too crappy.

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I seriously consider buying the triple-tree from the spectre. ($40 on eBay) and it would convert my handle bars from clip-ons to handle bars. A good option. i am a wuss. I don't want to change the triple tree. Who knows what else I would bugger up. I want to ride.

I do have a pair of left over 41mm cast bars from a Honda that could work of I use shims. I can even retain my original Kawasaki cover plate. I'm leaning this way right now. Will post an updat when I can.

Un related. A few days before, I bought this nylon net to help me easily store/carry items. I really like the look. Not finished but it just looks open and tough. I may use some near the wheel well to keep babies out of their

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I also added this square metel mesh in the front. hmmm

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Old 05-13-2012, 08:21 PM   #163
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Make sure you use your STOCK triple clamps from the GPZ !!.If you use the Spectre clamps you will loose the trail reduction.The leading axle bikes move the forks closer to the frame so they steer.Once you put on the leading axle forks you won't be able to ride it solo very well.You will feel a huge difference,mine work great and feel as easy as the DMC leading legs I had on my Vstrom..
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Old 05-14-2012, 06:42 AM   #164
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Thanks for the important info.
It is the main reason I avoided the swap. It is easy to see the axle change with the forks but the triple tree is a bunch of voodoo.

I am going to keep my GPz tree and figure out my handle bar situation. A simple set of clip ons would do the trick all though they would be lower. Not sure I would mind.

What would be nice though is a nice bend to the bars. I really dislike flat bars. They make me hold my elbows up. As long as they clear the tank and are wide enough, I should be good.
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Old 05-14-2012, 09:45 AM   #165
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I had a 83 GPZ 750,they use to make a plate that went on the top triple clamp so you could use reg bars.I had one with super bike bars and it was awsome !!.


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