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Additionalscooters IdeasYou also restrict the amount of air out of the engine if you don't replace the exhaust pipe with a bigger (or more free flowing) exhaust pipe. In addition, just changing the carb changes the fuel / air ratio inside the engine. Your engine may or may not like the change. For instance, the new carb could give you more top end power, but also lead to starting problems. Or it may run better at low RPM's and poor at high RPM's. Tuning for best performance can be a lot of work!
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Most scooters need a minimum of 100 psi in compression in order to run start and properly. Compression should be checked when the scooter engine is warm. However, that's hard to do if your scooter is not running. So, just hook up a compression gauge and open up the throttle all the way. Crank the scooter until the needle on the compression gauge stops moving. This should take no more than 5 seconds. Very roughly, 100-125 psi is good, 125-150 psi is very good, and 150+ psi is great. If you don't have this level of compression, then you have bad valves and/or bad piston rings. If you want, you can add a teaspoon or so of oil to the engine through the spark plug hole. Then try the compression test again. If compression is higher, then it's likely you have bad rings. The oil will seal the rings and give you better compression. If compression is the same, then you have bad/misadjusted valves.
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More scooters InfoDragging Your Motorcycle Around In Your Camping TrailerWed, 29 Oct 2008 13:32:59 +0200
Ever want to go on holidays with a camping/trailer, but didn't because you couldn't take your motorcycle with you?
The Rolls Royce of trailers, Airstream, have a new model that will make your day. The Panamerica has an 11 foot garage in the back, bit enough to store two big motorcycles.
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Three-wheeled scooters - AAP News (subscription)Fri, 31 Oct 2008 17:11:31 GMT
Three-wheeled scootersAAP News (subscription) - 11 minutes agoDescription: The PowerWing three-wheeled scooter was sold in black or silver. The recall includes products with serial numbers beginning with Y0708, Y0709, ... |
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