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Triumph trident 900 been sat for a few yeas managed to get it going but only on 2 cylinders then turned it off and on again now there is no spark to any of the spark plugs,I have checked all connectors and fuses still no spark any ideas ?
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I don't mean to cop out, but I always recommend buying a service manual from say amazon for $15-30 bucks. It's the best money you'll ever spend, lays everything out nice and neat and will keep this awesome ride on the road for years to come.
what an awesome bike. You'll to eliminate problems one at a time, spark, fuel, compression. I made a dandy home made tester with a spark plug, hose clamp and a battery charger alligator clamp. With goo clean grounds attach the plug to the alligator clamp with the hose clamp, open the gap to around .040 if your ignition is good it should jump that gap, as if it's under compression. Attach to the wire, turn over the engine and see if you have a nice blue consistent spark. If you do, be sure you have good fuel flow, remove the fuel line to the carb (kinda tricky as it's hard to get to) and be sure you have fuel. What I do is with the engine running I shoot a very meager shot of starting fluid into the suspect carb with the engine running, if it perks up momentarily odds are something's wrong inside the carb. Lastly compression. Test the two running cylinders, average your readings and then test the bad cylinder, if it's 10lbs lower than the other two, internal engine damage trouble. Try these steps and report back, we'll figure it out.
Check the coil for that cylinder, it may be just a loose connection. Make sure the retaining bolts are tight and that there is no corrosion on the mounting points.
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
Have you checked your fuel floats ,You may be suffering from high speed fuel starvation .try adjusting you floats to allow the maximum fuel into your carbs with out over flowing .You could also check to compression on the cylinders ,you may have a compression problem at high speed ,and this will cause hunting untill your engine gathers momentum and drives through it .
The only times my 'dent had no acceleration, it wasn't firing on all 3. Easy check: start the bike, let it idle for a couple minutes, spray water from a spray bottle on each header. Chances are, there'll be a cold header from a cylinder not firing due to a bad coil.
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