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Tiger Time => Steamers (1993-1998 Tigers) => Topic started by: pKp on June 07, 2010, 07:20:21 PM

Title: Air Box Eliminator...?
Post by: pKp on June 07, 2010, 07:20:21 PM
Okay - kind of new to Tigers...still sucking my thumb more like it. Hear me out...

For all the whining, complaining, swearing, bitchin', moaning, throwing, and name-calling about the Steamer air box, not one post about getting rid of the damn thing.

Anybody done/though about throwing it in the trash and going with 3 K&N pod filters - maybe with the dust covers for that adventure look? Probably have to fab some sort of bracket to hold up the breather side of the carb stack.

Might not even fit - like the box. Might make sense if the bike already had a free-flow exhaust - maybe re-jetted too?

At any rate it sure would make life worth living again.

Who's with me...!
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Post by: JetdocX on June 07, 2010, 07:34:33 PM
The reason for the airbox is for intake resonance.  It runs better with the airbox than without.  Removing the airbox will most likely result in a large hole where the power band used to be.  Good luck, though.  Please post pics.
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Post by: cousindave on June 07, 2010, 09:58:12 PM
While not trying it myself, it is possible. I've actually seen kits for the conversion. But you will have to re-jet and tune your carbs to handle the added airflow. Just try removing the cap on the second snorkel with your present setup and you'll see what I mean.

Good luck!
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Post by: Mustang on June 07, 2010, 10:23:47 PM
The gains you get in one area come at a compromise somewhere else .........
the triumph triple runs the best overall thrughout the entire RPM range with the silly air box the way it comes from the factory  :shock:

It aint that bad to do once you have done it a few times
I can get carbs out and back in pretty quick and easy .  :roll:

sometimes You might hear me swear  though  :ImaPoser
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Post by: Jaythro on June 08, 2010, 11:39:07 AM
Hey MUstang is there a Low Down in the forum on what is involved in stripping out the air filter / airbox

Also reasons Why you should need to remove the airbox

I'm working thru problems with My Steamer as you may have already noticed with the fuel tank mod!

I'm gonna zap teh carbs before long but always good to know if anything else should be goin on!
Title: Boxer airbox
Post by: Colonel Nikolai on June 08, 2010, 03:15:55 PM
Didn't some guy convert his tigger to use an airbox from a Porsche Boxer?
Title: Re: Boxer airbox
Post by: cousindave on June 08, 2010, 03:18:41 PM
Quote from: "Colonel Nikolai"Didn't some guy convert his tigger to use an airbox from a Porsche Boxer?

That hardly sounds like an upgrade  :lol:

Seriously though, not sure how that "simplifies" the matter?
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Post by: pKp on June 08, 2010, 05:05:42 PM
Seems like somebody should have the low-down on and air box eliminator for a Steamer - Including best carb settings. They've been doing this for years on the Twins - often called the best mod you can do for the money.

The bike I bought already has a Yoshi exhaust - not sure what the carb tweaks are yet - will know later this week. AND, neither snorkel had a cap on it - suggesting the PO was running it that way. AND, when I pulled the spark plugs they looked great - maybe a little greyish, but certainly with limits for lean running.

All that being said - I'm in there now fixing a broken ring. Maybe all this is related?

I'll put it to a vote - I have all the stuff to go back completely stock. Should I go big, or go home...
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Post by: JetdocX on June 08, 2010, 05:40:22 PM
If you want to do all the hard work for us, I'll standby and watch.  I may even get you a cold beer while I wait. :lol:
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Post by: nightrunner on June 09, 2010, 03:33:25 AM
Years ago, before this group existed, there were a couple of yahoo groups on Tigers and that was the place for all the chat and info.  I recall a fellow there who said he did try the pods.  He concluded what Mustang said above.  Just couldn't get it to run right over the whole RPM range.  One of the Yahoo groups is gone but you might try searching the archives of the remaining one.
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Post by: pKp on June 09, 2010, 03:55:33 AM
Yea - that's kind of what I thought. I've searched for similar carbed triples, and no luck there either. And, after staring at the Tiger for a while - I think I'm going back to full stock. Lucky for me the PO took off the original exhaust early and it looks new. Soooo...back to the future for me!
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Post by: JetdocX on June 09, 2010, 05:43:01 PM
I was pissed off like you once upon a time:

This is what I ended up with.  Still using the same main filter element years later.

http://tigertriple.com/forum/index.php/topic,4385&postdays=0&postorder=asc&highlight=airbox&start=0
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Post by: Tomas03 on June 10, 2010, 12:09:49 AM
Quote from: "JetdocX"I was pissed off like you once upon a time:

This is what I ended up with.  Still using the same main filter element years later.

http://tigertriple.com/forum/index.php/topic,4385&postdays=0&postorder=asc&highlight=airbox&start=0

That is just a seriously clever and simple solution. :idea:  :eusa_clap
Title: Re: Boxer airbox
Post by: fishnbiker on June 30, 2010, 08:46:38 AM
Quote from: "cousindave"
Quote from: "Colonel Nikolai"Didn't some guy convert his tigger to use an airbox from a Porsche Boxer?

That hardly sounds like an upgrade  :lol:

Seriously though, not sure how that "simplifies" the matter?

That would be me that did the Porsche conversion. Sorry I didn't butt in earlier ... been out riding some gravel & fishing for 10 days.

Photos will have to be dug out of deep storage. You can see a poor copy at the Yahoo Triumph Tiger group. Photo 1 shows the concept stage, running 6 months like that to prove out jetting. The snorkel tubes were cut off just long enough to allow easy service without touching the carbs. Photo 2 shows the final project completed about 9 years ago. Still running strong after 50,000 miles since conversion. Jetting was fun to set up, but it was worth it overall. I still get over 40 mpg (US), dyno'd at 101 hp with only a little loss of power under 4,000 rpm.

It was an engineering idea to satisfy my compulsive tinkering habits. Other changes since include a 3 into 1 conversion from a Girly header, with a GSXR titanium can, widened engine guard & belly pan to protect the new pipe, 21 in front rim, Mustang's quick change sprocket access conversion,  running 17 & 19 tooth sprockets (can be changed in12 minutes), Aeronca's aluminum mount with motocross fender,2" bar risers, double layered Powerbronze windshield etc, etc



Photo 1  
http://f1.grp.yahoofs.com/v1/UM8qTOA0sG ... loseup.jpg (http://f1.grp.yahoofs.com/v1/UM8qTOA0sGYghZgx0WetAwxzY2WgELXXc-qKL61RIHvZvzyixet7DAsOG0jR7NFbO_CyEut9HvvjL2cTQ3BEc_n2xTTC83g/Pictures/Fuel%20Tank%20Carbs%20Airbox%20Frame%20et%20al/Ken%27s%20airboxcloseup.jpg)

Photo 2
http://f1.grp.yahoofs.com/v1/UM8qTGwFX- ... %20pix.jpg (http://f1.grp.yahoofs.com/v1/UM8qTGwFX-4ghZgxaIT6qfj8kzf3aX9yNEcU5_ikzCHRACgFGTGEEOVxh4lecxYn0H947euZsaceslLvxDM-ZlGPAB7B_w0/Pictures/Fuel%20Tank%20Carbs%20Airbox%20Frame%20et%20al/Ken%27s%20pix.jpg)
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Post by: pKp on June 30, 2010, 07:41:33 PM
Perfect Steamer! What did you land on for carb tuning - jets, settings, etc.
Title: Airbox Eliminator?
Post by: fishnbiker on July 01, 2010, 05:45:01 AM
it was done a long time ago ( 9 years), but I seem to remember #130 main jets with the stock needle set at the middle notch. I still have a lot of usable power as low as 2,000 rpm, but it has a noticable increase starting around 4,200, going to warp drive around 5,500. My homemade K&N mod increased the breathing surface area of the stock airbox from 49 sq in up to 55 sq in, absolutely demanding more fuel input. More Hp is nice

Dealing with the original stupid design was my driving force to re-engineer it. I can now remove, clean & re-install in about 10 minutes without touching the carbs or the fuel tank. It's held in place with the 3 hose clamps plus 2 through bolts that attach to a pair of straps hung from the coil mounts. I also replaced the inline fuel filter with an external unit & melted a hole in the top off the in-tank filter, allowing less flow restrictions

The only issue I have ever had was a partial stall after flooding the airbox in a deep puddle ... 15 ~20 seconds of coughing & it cleared on its own. I was going too fast, the next puddle was taken slower with no problems.
Title: K&N airfilter mod
Post by: foureyessa on March 22, 2011, 10:08:59 AM
Hey fishnbike. what model K & N or part number was that. It looks great and my buddy who does my mechanical work hated the oem air box set up/
Tanx
Title: Re: K&N airfilter mod
Post by: fishnbiker on March 23, 2011, 02:12:32 AM
Quote from: "foureyessa"Hey Fishnbiker. what model K & N or part number was that. It looks great and my buddy who does my mechanical work hated the oem air box set up/
Tanx

Can't possibly remember the part numbers. This work was done last century. The original unit was for a Porsche 911, but heavily modified, about 10~12 hours cutting, machining, & re-welding. I did it as an exercise in fabrication. Not cheap either, I think it was about $175 for the parts alone. I don't think it could be copied for less than $500 if not a "do it yourself" project.

I think that my original idea of just cutting the horns off the rear of the existing airbox & rejetting is a much more sensible way to go. You can then use a K & N insert, or just the stock modified airbox system that can be easily changed out as required. See photo. I used this system for over a year as proof of concept before going to the fancy one. It was covered over with the stock side panels, so hidden & protected. I can supply more info for this if wanted. This would still allow the snorkel attachments to be used for storage ... I carry tie wraps, wire, brake & clutch levers, bulbs wrapped n handrags, etc.
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