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Old 03-11-2008   #1 (permalink)
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Favorite Bike: 1999 Triumph Trophy
 
Join Date: Mar 2008
Location: Minnesota
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Trophy 900 ignition problem

I have a 1999 Trophy 900 that I love to ride. It has developed a nasty stall problem as of last year. The local "wrenches" said it was a fuel starvation problem. I replaced all fuel lines w/ new stock. Carbs rebuilt and set to specs. Still has issue. I have contacted a guru in MIA and he just had the same model and year in the shop w/ the exact same problem. It turned out to be the CDI box. The CDI new runs $700.00. Any one out there have a good used one for sale? Or know someone out there that may rebuild these CDI boxes? Open to all help and comments.
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Old 03-11-2008   #2 (permalink)
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Favorite Bike: My '02 Trophy 1200
 
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pnfry55,
First, I would check all the usual suspects. Roll over valve, fuel petcock, vacuum line to petcock, fuel cap vent, fuel filters(all three), coils, crank sensor, sparkplug HT wires and caps. All electical connections(side stand switch, clutch switch, ignition switch, engine cutoff switch). Battery condition. Wireing harness around the headstock(broken wires due to pushing/pulling on harness). Also check the plug for the alarm unit located in front of the battery box. Corosion in the plug can cause an intermitent short on the gray with green-dot wire that goes to the Igniter(there is a wire that loops around on the back side of the plug). Check all these things before throwing money at it. Also, the Igniter can be tested at a Triumph dealer. Baxter Cycle (www.baxtercycle.com) would be a good source for used parts from breakers. I've heard of someone that has rebuilt Igniters to swap, but I'll have to search for them again, I think in the UK or Europe.
Hope this helps.

Erv
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