Major 929 Rebuild - Honda Motorcycles - FireBlades.org
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post #1 of 177 Old 10-02-2013, 12:12 PM Thread Starter
 
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Major 929 Rebuild

Hey guys, gonna be rebuilding the 929 to restore her former glory....and then some. I'm gonna have it torn apart and gone through with a fine tooth comb replacing the components that need replacing while adding a ton of other goodies. Mods already done are Pair valve mod, flapper mod, PCIIIUSB, htev wired open, and D&D slip-on. The plans for the rebuild are as followed:
Port and Polish
Web cams
Adjustable cam gears
Manual cam chain tensioner
J E Forged Pistons
954 Throttle bodies, injectors, and injector wiring harness
New ignition coils
Factory pro shift kit
....along with other somewhat minor mods

Anything else you guys recommend or think I should add to the list while she'll be torn down and built up?
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post #2 of 177 Old 10-02-2013, 3:35 PM Thread Starter
 
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Re: Major 929 Rebuild

Anything anyone??
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post #3 of 177 Old 10-02-2013, 11:24 PM
 
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Re: Major 929 Rebuild

I rebuild my 929 Last winter after hi siding it the previous summer.
https://www.fireblades.org/forums/int...ain-noise.html
Most of the mods were cosmetic, but some were like yours flapper valve mod, removal of the califoriia emmisions, and crank case air box mod. didn't mess with the engine much except for adjusting the valve clearance and fixing a crankcase oil leak.
I think you have all the go fast mods covered. cant think of any others to add.

Last edited by TrainingWheels; 10-03-2013 at 12:26 AM.
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post #4 of 177 Old 10-03-2013, 12:17 AM
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Re: Major 929 Rebuild

Quote:
Originally Posted by 92neezy View Post
Hey guys, gonna be rebuilding the 929 to restore her former glory....and then some. I'm gonna have it torn apart and gone through with a fine tooth comb replacing the components that need replacing while adding a ton of other goodies. Mods already done are Pair valve mod, flapper mod, PCIIIUSB, htev wired open, and D&D slip-on. The plans for the rebuild are as followed:
Port and Polish
Web cams
Adjustable cam gears
Manual cam chain tensioner
J E Forged Pistons
954 Throttle bodies, injectors, and injector wiring harness
New ignition coils
Factory pro shift kit
....along with other somewhat minor mods

Anything else you guys recommend or think I should add to the list while she'll be torn down and built up?

Are you going to put a good exhaust system on her?

"I won't forget that ride for a while. Maybe you're right. Living fast might be worth the final crash. Maybe that's the secret you fliers know." - Flight of the Intruder
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post #5 of 177 Old 10-03-2013, 4:09 AM
 
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Re: Major 929 Rebuild

954 swingarm is cool! you get swingarm spools, plus it look better, is lighter, a little longer and works a little better! I put one on EZ, you need the 954 brake slide, linkage and dogbone!
I all so did the 954 forks not that there much diff... but a little lol!
I want to try this https://www.fireblades.org/forums/aft...commander.html
O steel or Kevlar brake lines a must! get you shocks set up right, you could get new race springs too :-) or ohlins shocks!!!

Last edited by tweezy666; 10-03-2013 at 4:39 AM.
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post #6 of 177 Old 10-03-2013, 7:14 PM
 
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Re: Major 929 Rebuild

One thing I would be doing whilst it's apart it going through the wiring loom checking earth connector block it red taped up in harness near air filter box it's a git when go's wrong grrrrrr
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post #7 of 177 Old 10-03-2013, 8:59 PM Thread Starter
 
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Re: Major 929 Rebuild

Thanks guys. At bladeracer, definitely gonna be going with a full system. Still debating on the limited amount still in production for the 929's. Any recommendations?

At tweezy, yea bro I've BEEN wanting the 954 swingarm, and that's definitely on the bucket list as well. Just want to get the major work done and out of the way first.

Do I really need titanium valves, or competition valves or will my current valves be sufficient....providing all are still within spec?
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post #8 of 177 Old 10-03-2013, 9:00 PM
 
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Re: Major 929 Rebuild

I wouldn't do that much work to the engine without at least getting a fully exhaust system to allow the engine to exhale properly. Remember that the more air you shove in the more that needs to be able to come out! I was considering porting the heads, full exhaust, and any other go-fast mods, but I figured I'd go faster by upgrading the suspension. On the track suspension upgrades can net you as much if not more time off your laps than even 15 extra ponies.

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post #9 of 177 Old 10-03-2013, 9:03 PM Thread Starter
 
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Re: Major 929 Rebuild

To add, i'm planning on going with 954 75mm pistons, maintaining the 12:5:1 compression ratio. Someone recommended 980, but I thought I've heard somewhere that there was a limitation as to how much bore could "safely" be done on 929 cylinders.?
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post #10 of 177 Old 10-03-2013, 9:05 PM Thread Starter
 
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Re: Major 929 Rebuild

Suspension will definitely follow. Ohlins is the choice, but for now the budget is close to max.
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post #11 of 177 Old 10-03-2013, 9:10 PM
 
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Re: Major 929 Rebuild

I'm going with Race-Tech as a cheaper alternative that will still perform great! There are numerous WERA (among others) that use them instead of the extra-costly Ohlins. I'm looking at about $300 for valves and springs, maybe a bit less.

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post #12 of 177 Old 10-03-2013, 9:16 PM Thread Starter
 
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Re: Major 929 Rebuild

That's not a bad deal. Guess I should do a little more shopping around.
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post #13 of 177 Old 10-03-2013, 9:26 PM
 
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Re: Major 929 Rebuild

RT - Digital Product Search

^^ that link will go to Race Tech's website, more specifically it'll go directly to 929 parts just for you! You can enter your weight (without gear) and they will calculate average gear weight and give you a spring-rate that is ideal for you. They offer full-damping drop-in kits, valves, and springs for forks, plus full custom rear-shocks. A lot of good stuff on their site! Labor for fork-rebuild is only $125 for both forks, even if you are getting their springs and what not installed! The only downside to it is that shipping and waiting until you get the forks back =(

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post #14 of 177 Old 10-03-2013, 10:28 PM Thread Starter
 
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Re: Major 929 Rebuild

Does the 954 injector harness plug directly into the 929 injector sub-harness connector?
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post #15 of 177 Old 10-03-2013, 10:28 PM
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Re: Major 929 Rebuild

Quote:
Originally Posted by 92neezy View Post
Thanks guys. At bladeracer, definitely gonna be going with a full system. Still debating on the limited amount still in production for the 929's. Any recommendations?

At tweezy, yea bro I've BEEN wanting the 954 swingarm, and that's definitely on the bucket list as well. Just want to get the major work done and out of the way first.

Do I really need titanium valves, or competition valves or will my current valves be sufficient....providing all are still within spec?

I'd be looking for a secondhand full-ti Akrapovic or Arrow system.
Nope, ti valves allow you to run lighter valve springs which reduces the parasitic loss of operating the valve train. If you don't mind spending a grand or more on ti valves and lighter springs and retainers then they're great, but the power gain isn't huge. If you want to see how good ti valves are see if any wreckers have a late CRF450 or YZ426 head opened up - you can open the valves very easily with your fingers. Makes it difficult to measure valve clearances as sliding the feeler strip in simply pushes the valve open.
Unless the engine has 200,000+ miles on it I'd be very surprised if your valves need replacing.

"I won't forget that ride for a while. Maybe you're right. Living fast might be worth the final crash. Maybe that's the secret you fliers know." - Flight of the Intruder
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