Trophy triumph trophy 900 air filter

It sounds to me like you've got muck in the fuel tank (built-up over years probably) so depending on your level of mechanical confidence I would be starting there.

1. Remove tank and clean until there is no debris left;

2. Clean the fuel petcock and replace the filters;

3. Clean or replace all fuel lines - if you can find the correct diameter of the pipe you should be able to buy it by the meter - much much cheaper than Triumph parts.

4. Change any fuel filters;

4. Have the carbs ultra-sonically cleaned.

Once you have done that lot, the fuel system should be perfectly clean. Now replace the air filter - for this I would suggest you contact Steve Lovatt as he has done one of these not too long ago.

Or if you chose to, you could replace the original airbox with pod filters from the likes of K&N or DNA.

Btw, what year is your Trophy and what are the last 5 or 6 digits of it's VIN, as there are several options ?

 

I think the thread is probably called "air box removal" and will be under the Trident section.
The air box/filter is a complete unit with the filter effectively sealed inside - many people choose to split the air box and then modify a K&N filter to fit so this can be cleaned and reused - there probably are threads on how to do this. The main advantage is that you can open the air box and slide out the filter without removing the carbs.

 

you are best talking to Clive Wood. Get him to sort it or why not go on one of his maintenance courses for t3's
Next one is Nov 19th
Details on his fb page search "Clive Wood triumph" or search google same addy.
07752477738.
If you require carb parts get from Allens performance.

 

It is quite possible to open the air filter box and replace the filter element with a K&N jobby. Just be careful as the air box is made of brittle plastic which is easily damaged. Having done that, you can pretty well forget all about it unless you develop an insatiable urge to wash and re-oil it at a later date.

I know all this to be true, 'cos I've done it myself. If I can, you can.

Yours

Muppety Luddite.

 

hey its an old generation Hinckley Triumph bike and many of the dealers dont know jack shit about them, ie carbs etc. It is all pc work these days, not many genuine grease monkeys out there. t552 is right but we dont all have the skills or time to do it ourselves unfortunately. Great advice in here as usual tho.

 

Have you tried draining the carburetor float bowls ? If there is water in them they can run fine until you begin to work the motor harder(more vacuum) lifts water into main jet and blocks it. As the suction isn't enough to pull the water through, Biglad had it right clean and replace as required in the fuel system.