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Z750S runs, now I have to make the brakes and suspension work better. Suggestions?

232 Views 3 Replies 2 Participants Last post by  Skidmarkart
Howdy all,

So, I got a swell (aka dirt cheap) deal on a non-running z750s... and now it runs. I am rather impressed with the engine on this bike. It's a screamer for a budget commuter! I have been a throttle-wheelie-happy loon this week, and spent several thousand miles of back tire rubber getting a feel for the bike (this tire isn't going to last long, I am afraid).

As I am working through the bike, replacing fluids and whatnot, I have noticed a few items I'd like to improve. First the suspension, it's rather, uh, humble. I am a big fellow, and weigh-in at a mere 235lbs (soaking wet!). I am obviously not who Mr. Kawasaki had in mind when designed the bike. So, if there's any advice about budget upgrades you can lend, it would be greatly appreciated. I have ordered a ZX14R rear shock, which offers much more adjustability, and designed to carry about 50-60lbs additional weight, will likely suit my heft better. Should be a bolt on jobbie from my research. My next mission will be the front brakes and forks.

I'm not trying to do a fork conversion or new calipers, this is my budget project, so nothing radical. Thinking maybe steel lines and EBC HH pads? Anything else? And then the forks, these may be a deal-breaker for me, as they are pretty awful (lots of dive under heavy brake load and unstable as hell over choppy pavement), bordering on dangerously awful. I need to do the seals soon, so maybe drop in some heavier weight springs and thicker fork oil? Maybe a sweet, sweet Chinese fork brace? Am I missing anything? Advice from anyone who knows these bikes better would be appreciated!

I know, it's not a sport bike, and if I am already pushing the limits, maybe it isn't the right bike to keep. But if I can make some marginal improvements on the cheap, it might work well as my commuter.

As always, any advice from you more learn'ed folks is greatly appreciated.
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Welcome, definitely throw a pair of eponymous aftermarket springs and also check out the SBS pads I recommended in this thread:


I saw more improvement in braking with the new fork springs than with the braided brake lines but it's a good combo nevertheless as every little helps!
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Welcome, definitely throw a pair of eponymous aftermarket springs and also check out the SBS pads I recommended in this thread:


I saw more improvement in braking with the new fork springs than with the braided brake lines but it's a good combo nevertheless as every little helps!

Good thread. Thanks!
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ZX14R rear shock purchased, going to install soon. Checking out the overall weight and bias, this shock should provide about 50-60lbs more carrying weight (which will be helpful for my heavy arse at 230lbs, [yeah I lost 5lbs]), also more adjustments. Also, sweet Chinese fork brace, and considering Race Tech springs more suited to my weight when I do my fork seals (which need to be done soon). Not sure if I will add the gold valve emulators. I have done them before, and they make a huge difference, but they ain't cheap. I will report back on the ZX14R rear shock after install and test riding.
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