Perhaps its supposed to be this slow, but surely not? When i took it for the first ride top speed was 84kph downhill. Say about 50mph. Bike is brand new, completely stock Australian model. Its got the FCR39 carb. I noticed onn the ride that with the throttle cracked all the way open, the bike spluttered and wanted to die - max power / top speed was reached with the throttle about 85%. So i take it into the shed and get to work. The cap comes out of the muffler. Yes its loud, but we'll worry about that later. I pulled the snorkel out of the airbox. After searching, i find the little screw of the side of the carb that stops the throttle opening right up. Off it comes, sneaky bugger. Now the throttle twists heaps further. Good. Head back out to the street. Its louder, and snappier, but still it splutters and dies with the throttle any more than about half way open. Weird. It doesnt just hesitate, it wants to die. If i hold throttle open im quite sure that ill coast to a stop. Does all this sound normal? I dont know what the stock jetting is, i havent looked. Perhaps it needs rejetting but surely its not supposed to be this bad from the factory. 1. It is possible the bike wasnt warm - its pretty cold here right now, though i took it for about a 15 min ride. 2. Could it be flooded of something (???) i was playing with the throttle alot while i was working on it and could hear the carb pump working, but the fuel was switched off. Bike started fine... 3. could one of the jets be blocked, or obstructed? Bike sat in shop for a few months till i could drive down to pick it up (7 hours away hence the delay) 4. Could this be related to the ignition in any way? Searched high and low but havent heard of this problem before. Please help me!