90 psi and turn the part you want to fix red hot with a torch.....use a pressure regulator to maintain pressure constant since it tend to increase when you heat the carbon inside (burn most you can before), use thick gloves, face shield and all proctetive equipment you have since it is something dangerous.
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Edited by cascao highlighting important concept.
Power (torque) come from engine. It is'nt altered by flywheel.
Flywheel is a rotating mass that can store momentum. It has two effects:
1) when engine is comming from a lower RPM to a higer RPM: Engine will increase rpm slower since it has an added mass to accelerate. It can increase traction due a less agressive behavior and it will decrease power burst you have using throttle.
2) When engine is comming from a higer RPM to lower RPM: Flywheel will give energy to system. Rotating momentum can be used to drive the motorcycle.
An side efferct is the engine runnig in a more steady way when travelling during a rough terrain like over a bunch of loose rocks or loose terrain. On malleability deppartment, it can increase the "heavy feeling" on motorcycle just like we feel on a big bore engine.
Had played with flywhhel a lot and my feeling is: It only good in specific conditions (mud, senior rider, MX bikes on enduro). https://youtu.be/16d-ewfc8lU For average Joe, most of time, better stick with what come from factory.
This is a very reliable carb. Partly due beeing well sealed from elements. There "O" ring on idle and mixture screws. The weired fitting may be something temporary untill rubber molds itself. Try to find a parts diagram image for this carb to get rid of all doubsts. If everything else fail, look at my video.
Watch carefully factory recomendations (about ratios) since sometimes they care more for emissions (modern) or cold seizure (old) than engine life or cost.
Their brand recomendation is another joke.
It's a good practice stay on rich side (2%) because we never know when we will find a big uphill mountain road. (And more oil give better ring seal and more HP)
Trials stores on Tenerife
in General Trials Talk
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Splat Shop serve me very well...even being on the other side of ocean.