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I was thinking the same thing. Maybe a couple ribs? Also the front end looks awful low.
I like the Z1 flavor though.
Steve

the front end looks awful low.

Whats the clearance twixt exhaust and ground when its off the stand and under its own weight?

It's looking good, one observation which you might already be aware of, or the picture may be deceptive, but the exhaust looks very close to the oil line, you might want some sort of heat shield there.

I'm still wondering how that frame is going to work with no tubes under the motor placing the load on the motor itself. I love the overall idea though of the Z1 look with the ZRX motor. I always wished they'd built the ZRX to look like the Z1 and early KZ bikes as opposed to the look of the later European J models and the ELR.

I didn't want to say it but maybe a cradle to tie the frame together?
Steve

Yes, the taillight bracket is mounted on isolators.

The pictures might be a bit deceptive on the front end clearance. The bike is under normal load as it is and has plenty of clearance. The bike settles onto the stand, we intentionally constructed the stand this way so we could do suspension set up under neutral load. I will post measurements later.

I have no intention of adding a lower frame brace.....please see previous posts for information on the frame design and if it causes you that much stress to see a bike without a lower frame rail, call a priest.

I've seen them before.
Steve

Umaku wrote: I have no intention of adding a lower frame brace.....please see previous posts for information on the frame design

I hear that Umaku! I ride a '74 h2 with a rear mono-shock suspension that a few would describe as a 'rolling accident waiting to happen'. It's not. The last 5 seasons have proven that.

I would love to see your bike if you have a pic. I have a 72 S2 350 that we have played with enough to get it to go 120mph.... I think most would call that unsafe and noise pollution

Here's an American made frame from back in the 70's similar to the Egli.

Vinsky wrote:

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This is # K0001, the first frame I built for Lester Wheels in 79. I think it won Nelson Ledges 24 hr that year. Kenny Mallison was the crew chief.

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All frames after K0001 had a bent backbone instead of the mitered one.

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These pics and comments are from an old thread here in the "Project" section.

Other than the backbone, not super substantial. But it survived as an endurance racer for a number of seasons so I guess it works.

Umaku wrote: I would love to see your bike if you have a pic. I have a 72 S2 350 that we have played with enough to get it to go 120mph.... I think most would call that unsafe and noise pollution

Ya... I'd say that a S2 is truly smokin' at 120mph.

My h2 has stock internals with pipes and is jetted for velocity stacks as well. No 'real' go fast mods. The suspension and running gear is off a FZ600. The upper rear mount is a simple 2 piece 'L' bracket unit made out of aluminum. It works on the street and the track. I'm quite satisfied with it.

My fabricator/mechanic convinced me it would work. I was a little nervous, but after a couple of very careful test rides, I've never given the set-up a second thought. We check it for signs of stress every season. No issues in 5 plus seasons.

I actually was looking at pics of your bike yesterday. I am afraid of what my father would do if I gave him a 750 triple to play with and we have decided that we are both safer for now to stick with four stroke. The 350 has some moderate piston skirt work to improve scavenging but my pipes are nowhere close to as nice as yours. Love your bike and everything looks structurally sound.