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Alley,
Now that IS interesting. Your muffler after it was welded looks just like mine right from the factory. It looks as if they really did take your advise. I really hope my pipe doesn't break like yours did.

I need a muffler for an IB Cyclone 150. The one that came with mine is total garbage and i didn't realize it until i wasted a full riding season trying to fix my cyclone.
The muffler rattles like someone dropped a couple large nuts in it before welding it shut. It keeps blowing the packing loose and plugging the exhaust.
Does anyone know where i can find a replacement that won't drain my savings?
Shally

Is there supposed to be a replaceable filter element inside the air box?
Shally

Thanks for the help but I don't know what a "new Keihin with a pod and a new manifold" is but it sounds expensive and my budget is already shot. As far as the diaphragm, I swapped carbs.
I have swapped or bypassed everything in the fuel system with no change. I couldn't find any visible air leaks, swapped the CDI, and readjusted the valve rockers.
I had to take it on the road to duplicate the problem and each time it acted up I would adjust the carb 1/4 turn rich until it would start acting up in other ways. I then repeated the process adjusting lean. Nothing helped.
Shally

Trike was running great until the air box broke and stranded me. Got it home, repaired the air-box, and it ran good but not great for about a week. Then the problem started. It started acting up when climbing a hill. The motor would loose power and it sounded like it was firing only on every other cycle. It would make a "BRAAAT" sound. I found that by backing off a quarter turn, the motor would settle in and if I advanced the throttle slowly, it would accelerate to around 45mph at around 68000rpm. Problem would get worse the longer I went. I figured messing with the air-box may have changed the carb settings. Found the stock carb had the setting screw capped and unadjustable. Replaced carb with one Alley sent me and proceeded to adjust it per a new Trail Tech tach. Take it on the road and found no improvement. No matter where I set it, results were the same. Installed a gravity-feed tank and bypassed the tank, filter, and pump; no improvement. Drilled out plug on OEM carb and reinstalled it; no improvement. Replaced CDI, and plug. Readjusted valves( found exhaust rocker had nearly no play); no improvement.
Although the idle is a bit unstable, it is reliable and the trike only acts up when under load.
Has anyone had this problem? Any ideas?

Yes, i understand, what I am thinking is maybe a large C ring might do as well. It would be a harder metal and a tighter fit.. TSC has them in all sizes.

I was so totally convinced it was the wheel bearing that I had it jacked up with the wheel and hub off and was preparing to remove the axle. Then something came up and I had to move the trike out of the way. so I gave the axle a good but gentle WACK, as I read from one of Alleyoops posts, reinstalled the wheel, and pushed it back to its parking spot. Then I realized the noise was gone. Took it for a ride, and it sounded great. I had very little wheel movement before the wack and I couldn't detect any difference after. I guess the shock was just enough to seat everything. Needless to say, Alleyoop knew what he was shoveling.
Shally