Hi Aiden, Sorry but I'm going to be Mr cynical here, I think you would have to have your bike on a dyno to get these sorts of results, I think the best thing to do is get the bike running perfectly using the standard gear first then go to a dyno tuner, I can't see someone being able to " Tailor " a carb tune from a written description.
Don't forget this is a performance upgrade, they are saying up to 10% on peak power, it may wreck the botton end
My 2 cents worth
Steve
From the Ebay Site
Please let us know year, exact model, level of modification, and altitude, so we can tailor our kit to the needs of your bike. All of these factors affect kit design.
1 KIT IS FOR THE ENTIRE BIKE, ALL CARBS ON THE BIKE.
Benefits
More Peak Horse Power
Designed to gain about 8%-10% in HP with intake and exhaust, 2-3% on bone stock. What the hell does this mean ??
Longer Engine Life
The jet kit is a performance upgrade that not only increases power, but allows the engine to run cooler which increases engine component life.
Increased Performance
Designed to improve all RPM ranges of performance and throttle response.
Lower EGT's (exhaust gas temperatures)
If you have installed an aftermarket, or modified the stock exhaust or intake, this is needed or you will damage your engine. Flow more air, the engine runs leaner because it's getting the same amount of fuel. Running lean causes detonation and hotter EGT's which ruin exhaust valves and destroy engines.
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2004 TTR250 - Highway Dirtbike Hand Guards, 38mm Bar Risers, D606 Front & Rear, Opened up Airbox with Twin Air Filter, Re-jetted Carby, B+B Bash Plate & Frame Guards, DIY 3mm Alloy Tail Tidy, 14/47 Gearing.