98 Trident Cafe Build - Triumph Forum: Triumph Rat Motorcycle Forums
Hinckley Classic Triples 885cc Classic Styled T3's: Legend, Thunderbird, Thunderbird Sport & Adventurer.

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post #1 of 8 (permalink) Old 02-03-2017, 02:12 PM Thread Starter
Minitwins
Main Motorcycle: Trophy 900 Pacific Blue
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Join Date: Nov 2011
Location: SLC, Utah
Posts: 15
98 Trident Cafe Build

A winter project of mine.
For the purest this is sacrilege to take a Trident and do this. I chose to use the Trident for its better parts to make a Cafe I wanted to ride, not look at.
I posted this on another forum it fell on def ears with more critics than fans. I love the triple engine and wanted a Cafe so this is my project.
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post #2 of 8 (permalink) Old 02-03-2017, 06:59 PM Thread Starter
Minitwins
Main Motorcycle: Trophy 900 Pacific Blue
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Join Date: Nov 2011
Location: SLC, Utah
Posts: 15
Some info on the project for those that are interested
98 Trident out of California so it had Blue Cams and vapor recovery stuff on it.
Trophy 310mm rotors and 4 piston calipers
Trophy 17" rear wheel
Racetech fork springs and emulators
Vortex 520 rear sprocket from a VF750 Honda 45 teeth
JT light weight 520 front sprocket from a VF750 Honda 17 teeth
RK MAXX 520 Chain
Triumph TT600 handle bars
Thunderbird Tank
Custom air box
Emco reverse cone mufflers
and of course a modified rear sub frame
LED turn signal lights and flasher relay
I heavily modified the electrical harness to reduce the unwanted systems and crammed it all under the tank.
A Shorai battery in the tail as is customary
Trophy 900 gauges
Harley gauge mount
LED warning lights
ZX10R coil on plug conversion
Standard fuel tap/petcock, no vacuum connection

Currently working on cleaning, jetting and setting up the Keihin carbs, I set the mains to 125 and pilots to 40 and 2.5 turns on the adjustment screw. I am at 4500ft elevation so the jets are possibly a bit on the small side but I think its a good starting point.

I am planning on installing the Ignitech TCIP4 ignition module and a wideband sensor to help the tuning. I have heard nothing but crap on this change and how carbs aren't EFI and a wideband wont work, I say BS. It is way better than the butt dyno and looking at plugs. I don't have a 5 gas analyzer and I can get a good wideband for 150 bucks.

In the long term I want to do some 79mm 955 pistons since I already have they cylinders.

Looking forward to riding it soon.
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post #3 of 8 (permalink) Old 02-03-2017, 09:00 PM
Team Owner
Main Motorcycle: 2012 Tiger XC
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Join Date: Jan 2009
Location: Webster Groves, Missouri, USA
Posts: 4,122
Other Motorcycle: My RED '02 Sprint ST
Extra Motorcycle: 99 Thunderbird Sport
I really like the look of your top yoke, "clip-ons", and clocks. You might want to look at some thermos cups or some spun aluminum or stainless backpacking mugs to slip over the outside of those gauges. I really like the Tidents and hope to someday own one. But, hey, it's not my bike, know what I mean?
I'm keeping an eye on what you're doin there.

Stay safe out there,
---Charlie

---Charlie

2002 Sprint St, RaceTech Springs and GVE, Reworked Shock, Raised Rearsets!
Zero Gravity DB Windscreen, CF Tankpad, 18T Front Sprocket, Fuel Pressure Regulator Mod
Quick Turn Throttle Mod, Michelin PR3, CF TOR, Corbin Seat, Luggage Rack
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post #4 of 8 (permalink) Old 02-04-2017, 01:34 PM
Pole Position
Main Motorcycle: KTM 1290 Super Adventure
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Join Date: Jun 2011
Location: KŲln
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Other Motorcycle: '96 Adventurer
Garage
Oooh, you've got the best rims too - they look gorgeous when polished up. Good luck with the build. Another member did a Trident -> Retro conversion here, turned out absolutely beautiful.

EU politicians have just been informed that breathing air leads to certain death in 100% of all cases and are working hard to find a way to ban breathing in order to protect all EU citizens.
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post #5 of 8 (permalink) Old 02-05-2017, 09:38 PM
SuperStock
Main Motorcycle: '98 Sprint Sport
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Join Date: Apr 2014
Location: Payson UT
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I wouldn't worry about cafe'ing out your Trident. As great as these old bikes are, they are unfortunately not worth much, so I say make the bike how you want it. I took my '98 Sprint Sport and stripped off the fairing and other parts to basically make it look like a first generation Speed Triple. I love the bike how it is, and have no regrets whatsoever making the changes.

I am running 130 mains in my Keihins at 3,400 feet elevation. That is with the stock air box, K&N air filter, and "de-baffled" stock silencers. I have the green cams, so that probably will make a little difference. Don't forget the jet needles. I spaced my jet needles up with two thin washers for each needle. That made a huge difference in mid-range response. Of course, if you are going to pod filters, these specs aren't going to help you much. There are some good threads here about switching to pod filters, and the consensus seems to be much larger main jets are required.

It's about 90% certain I am relocating to the Salt Lake City area this spring. So if you see a Tornado Red naked Sprint that looks like an early Speed Triple running around, it's probably me.

Dave
'98 Sprint Sport
'96 Adventurer

Last edited by dzrtr8r; 02-05-2017 at 09:44 PM.
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post #6 of 8 (permalink) Old 02-13-2017, 03:06 PM Thread Starter
Minitwins
Main Motorcycle: Trophy 900 Pacific Blue
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Location: SLC, Utah
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She lives, got her running and road her around the block, faster than I thought she would be, very fun
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post #7 of 8 (permalink) Old 02-13-2017, 08:44 PM
SuperStock
Main Motorcycle: 98 tbs
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Location: cambridge ontario canada
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looks good!
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post #8 of 8 (permalink) Old 12-04-2017, 11:12 PM
Grand Prix 125
Main Motorcycle: 98 Trident
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Join Date: Sep 2012
Location: Denver USA
Posts: 29
Nice!

Looking good D. Any progress since this last picture ^
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