Question about 1995 Triumph Trophy 900

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Triumph trophy 900 runs on two cylinders intermitent

Bought the bike with this problem checked all coils plugs etc turned pet tap to full flow worked for a while now doing it again does not tend to happen on reving but does seem to happen when you use the tourq ie dont change down just on openning it up bloody anoying and dangerouse is it the tap and are there any alternative type fuel taps cos this one i think runs/works off vaccum any help advice much appreciated thanks....for what its worth it really does feel loke fuel starvation really good to hear if some one else has experienced the same cheers .....

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I would start by checking for kinks in the vacuum hose. The situation you describe would usually result in a low vacuum situation and if the hose is kinked, this could lead to the problem you describe. There could be a problem with the tap itself and a good place to look for more info is at, the Triumph owner's forum.

Posted on Aug 31, 2010

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My bike turns over perfectly and runs fine but when the engine is hot after a decent ride the bike will not restart after switching it off it's like the kill switch is off starts fine after about hour

Hi, Sean and the usual suspects are:
1. Fuel tank empty.
2. The fuel tank has old dead gas.
3. Fuel tank bottom contaminated with ethanol sludge, dirt, water, rust, etc.
4. Fuel supply valve/petcock turned off.
5. Fouled spark plugs.
6. Engine flooded as a result of overuse of the enrichner.
7. Vacuum hose to the fuel supply valve/petcock disconnected, broken, cracked, or pinched.
8. Fuel valve/petcock or filter clogged.
9. Fuel line to carburetor or throttle body pinched, kinked or blocked.
10. Carburetor float stuck.
11. Fuel injectors clogged.
12. A severely discharged or damaged battery, you need 12.5 volts or better and be able to pass a load test if necessary.
13. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
14. Loose or corroded wire connection at the coil or plug between ignition sensor and ECM module.
15. Spark plug cables in bad condition and shorting check for spark leakage in the dark, cable connections loose, or connected to the wrong cylinders.
16. Ignition timing incorrect due to a faulty ignition coil, ignition module or MAP, CMP, CKP, O2, TPS, ETP, IAC sensors.
17. Faulty neutral, clutch lever, or kickstand safety switch.
18. Faulty fuel pump or fuse or relay.
19. A stuck bent or burnt valve.
20. Tilt sensor needs a reset.
21. Security system not disarming alarm needs a reset.
22. Check for engine trouble codes.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
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Triumph trophy 900 carb 1997 starting problem. sometimes the ****** just will not start it turns over back fires turns over and starts, sometimes starts second turn. has had new coils fitted tappets a

Hmm sounds to me your Carburetor needs cleaning, check your intake might be just a bad air filter, also change you spark plugs and make sure they are on proper adjustment. that what i did when i have that problem... hope it help

Dec 23, 2012 | 1997 Triumph Trident 900

1 Answer

1993 Triumph Trophy 900 will not turn over

Hi, Anonymous before testing any electrical component in the Starting System it is "IMPERATIVE" that you have a fully charged battery of 12.5 volts or more and be able to pass a proper "LOAD" test if necessary, you may have a preliminary reading of 12.5 volts or more but little or zero amperage, the battery is faulty and must be replaced. AGM type batteries fall into this scenario more so than lead acid batteries.
1. Ignition Switch not in the "ON" position.
2. Engine Run Switch in the "OFF" position.
3. Check the battery terminals for damage or corrosion check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter.
4. Bank angle sensor needs a reset or is faulty.
5. FOB battery low or dead.
6. Faulty ignition switch.
7. Faulty starter button.
8. Faulty kickstand, clutch, neutral safety switch.
9. Security alarm needs a reset.
10. Starter relay, solenoid, starter have failed or circuit wiring faulty.
11. Starter armature or field coils have failed.
12. Main fuse or circuit breaker may be blown or faulty.
13. The electric starter is working but starter clutch has failed.
14. Check for engine trouble codes.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
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Jun 21, 2017 | 1993 Triumph Trophy 900

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Just got a trophy 3. dont know what position is which on the fuel tap? no markings.

Usually the fuel valve is this
Straight Down = ON
Straight Up = RESERVE
Horizontal/Across = OFF
There may be some difference with the manufacturers, or with custom fuel valves (chrome), also, fuel injected bikes usually do not have reserve or reserve position on fuel valve. If you have fuel injected bike, they do not like to be run out of gas, keep the gas level up.

Jun 24, 2010 | 1995 Triumph Trophy 900

1 Answer

Fuel starvation???

Hi, Ghorner558 the carburetors and fuel have to vent in order for your fuel system to function properly for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere zero $ you can download another one. For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
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Mar 24, 2017 | 1996 Triumph Trophy 1200

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Bike runs fine up to 5000rpm - then hits a brick wall - carbs have been balanced - fuel flow checked - coils ok???

Here might be a fiew things to check :
1) spark plugs try new ones
2) spark plug boots if they are resistor ones one could be bad
3) fuel flow - try running on reserve the tap could be dirty or just not letting enough though had this happen on my cr250 honda

May 09, 2010 | 1996 Triumph Triumph Thunderbird

1 Answer

It starts ok but when im riding it seems like it some times is running on two cylinders instead of the three i have a 2003 trophy 900

Check for water in the spark plug well. 
Probably worth pulling plugs and checking/replacing them. 

Aug 11, 2009 | 2001 Triumph Trophy 900

2 Answers

Trophy 900 ignition problem

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 ( 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.

Nov 10, 2008 | 2000 Triumph Trophy 900

2 Answers

Coughing '95 trophy 900

I think you would be better of checking the ignition pick-up located on the right side engine cover. you may want consider searching for info on the ignition pickup, as apparently it is a weak link on these engines. That was the first thing i repalced when i got got mine as it had sat for a while.

Nov 10, 2008 | 2001 Triumph Trophy 900

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