 http://www.suzukicycles.org |
Suzuki GSF400 Bandit, 89-97 GSX-R400J / FJ, GK73a,88, 59hp GSX-R400rK and FK, GK73a, 89 59hp (any additions or corrections to the above information, click here) I still don't know about the 97+ models aprox. 50 True Rear Wheel HP |
 http://www.suzukicycles.org |
Congratulations!
Ron Gilbert - Mount Holly, NJ
| #1 | Lightweight Sportbike | Mid Atlantic Region |
| #2 | Lightweight Superbike | Mid Atlantic Region |
| #3 | GT-3 | Mid Atlantic Region |
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Carb Recalibration Kits |
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 CRB-S41-1.0 $139.95 |
 Standard drop-in carb kit Adds more low-end / midrange, if the proper main jet is selected, more top-end power. Easy to install and tune - no slide drilling! Note! |
 CRB-S41-3.0 $139.95 |
Config 30 carb kit For the best top-end power. Good
low-end and midrange. Requires removal of stock airbox and
running BMC 3092 or K&N or equivalent
individual air filters. Otherwise, it is a drop-in kit.
Low-end response is as good as, if not better than the 1.0 kit
with the stock airbox. |
| Ignition Advance Kit not available | |
| Shift Improvement Kit | |
 SHFT-SUZ-3 $39.95 |
Our original Shift kit to improve shifting
The famous "spring and a gasket kit".
The oil pan gasket is for the 600/750 and 1100 - and am not sure if it is the same gasket as the 400. If you know, please email us. Thanks!
Note! These shift kits won't fix a
broken transmission. If you have a bent shift fork and worn
second gear "dogs" that pop out of gear at full throttle and
higher rpm, you'll have to pull the engine, split the engine
cases and replace second gear, the gear it mates with and the
corresponding shift fork, gaskets and clips, shims and seals. |
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Trans Detent Arm Kit The BEST kit. Factory Pro can create a Pro Shift Kit
(our late style microbearing detent arm AND heavier shift
spring). On the Bandit / GSXR 400. The Pro Kit shifts even
quicker than the above standard kit.
Note! These shift kits won't fix a
broken transmission. If you have a bent shift fork and worn
second gear "dogs" that pop out of gear at full throttle and
higher rpm, you'll have to pull the engine, split the engine
cases and replace second gear, the gear it mates with and the
corresponding shift fork, gaskets and clips, shims and seals. |
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Carb Setting Tools |
|
 TL-float height gauge $59.95 |
The only way to accurately measure float heights. Works on nearly every carburetor. |
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Links Thanks to Jay Kovach for the info!! Jay has
Bandit / gsxr 400 442cc and 465cc kits for sale. |
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| Gallery - gsxr400, Bandit 400: Submit your bike's "best side! | |||
 Darren Leong wrote: gk76a gsxr400 1990 sp model
The bike currently runs
stainless headers, k5 rear shock and derestricted cdi
unit with ignition advance as well.
July 25, 2006 |
 David Hine's 400's best side |
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SCHMIGGY6@aol.com wrote:
I HAVE TWO QUESTIONS:
FIRST, I HAVE A 94 RF900R WITH A V&H SS2R SLIP-ON AND A K&N FILTER, AS
WELL AS A STAGE I KIT. THE BIKE RUNS GREAT AND I WANT TO KNOW IF AN
IGNITION ADVANCE WOULD DO ME ANY GOOD (WHAT WILL ONE DO?) ALSO DO YOU
HAVE ANY DYNO
INFO ON A RF900?
SECOND, MY GIRLFRIEND HAS A 93 BANDIT 400 THAT HAS ALWAYS
HAD POOR CARBURETION. WE ARE CONSIDERING A STAGE I KIT AND POSSIBLY A
NEW PIPE/FILTER/ADVANCE COMBINATION AS WELL. DO YOU HAVE ANY DYNO INFO
ON THIS BIKE AND HAS IT BEEN YOUR EXPERIENCE THAT THESE MACHINES HAVE
SUCH POOR JETTING FROM THE FACTORY?
THANKS , AND GREAT WEB SITE!!!!!!!!!!
SCHMIGGY6@AOL.COM
The 400 Bandit?
Part of the problem is, like ALL of the 93-95ish watercooled Suzuki's, that it's got a very low temperature coolant thermostat ~170f, or so. Makes them seem to run lean and not idle well when the fuel screws are set for best idle after a good ride. Install a higher temp thermostat from, perhaps a cbr600f3. We use ~190f thermostat, which is a bit higher than the f3, but 190f is where the engine runs the best and makes the best power. Either way, changing the thermostat is mandatory. Then you can tune the carbs for best throttle response with the kit.
It won't make the bike run too hot, it will just keep it from running too cool when just cruising around - like summer in foggy San Francisco - that is, south of the Golden Gate Bridge cause it's warmer to the north.
The CRB-S41-1.0 Carb Recal Kit will work much better - cleaner and more responsive everywhere. There is no ignition advance available.
If you were close to us, I would like to do a 1.7 style kit on the
400.
