How much oil does a Yamaha Qt50 take?
Drain and refill transmission with 10W/30 oil (11 ounces only);
How much does a Yamaha QT50 weigh?
It is smooth and has a top speed of 30 mph. The engine is a 49cc 2-stroke that automatically injects the oil. The weight of this bike is about 80 lbs.
What kind of oil goes in a Yamaha moped?
SAE 10W-40 Motorcycle Oil, 1 Quart by Lucas Oil®. Lucas High Performance Semi-Synthetic 2-Cycle Oil has been specifically developed to give a long trouble-free life to gasoline-powered 2-cycle engines.
What oil do you put in a 2 stroke moped?
For most stock scooters regular unleaded should be fine but go with what your manual recommends. I like Valvoline synthetic marine 2 stroke oil.
How long does a 2-stroke moped last?
hugemoth said: At 5000 miles it’s hardly broken in. Take care of it and it’ll probably do 50,000 miles.
Can I use 2 stroke oil in my moped?
Nope. Modern 2-stroke scooters use a direct oil injection system which delivers the right amount of oil directly to the engine. However do make sure that you use good quality 2-stroke oil that is made for injection systems (that’s oil injection, not fuel injection).
What’s the bending limit on a Yamaha QT50?
Should anyone ask what the valve’s bending limit is on the QT50, it is 0.8mm; potentially useful knowledge when a barroom of Yamahopper owners are making bets. Yamaha’s Autolube system made sure the gas and oil mixture was as close to perfect as possible.
Why does my 2 stroke engine not run?
The reason the machine will sit idling with no problem is because it is getting enough fuel for the level of engine speed required, however as soon as we try to increase that speed where we need more fuel there won’t be enough available. Here are 10 reasons and fixes to help prevent lack of fuel to a 2-stroke engine. 1. Mixture Screws
What to do when your 2 stroke engine is flooded?
If this doesn’t work try with the throttle wide open as your engine may be flooded (too much fuel in the cylinder). When 2 stroke engine troubleshooting and the engine is flooded, you want to spin the engine over fast with the throttle wide open several times.
What to do if choke on scooter wont start?
If the automatic choke is OK, the starter cranks the engine, there’s gas and there’s a spark then there may be an engine problem. You need to check the cylinder compression. You need a compression tester to do this. It screws in instead of the spark plug and measures cylinder pressure.
What kind of tires does a Yamaha QT50 use?
Used on Honda NU50 urban express and NC50 express, Yamaha Qt50 Yamahopper and Suzuk FA50 Shuttle. Recommended Accessories: Tire Iron Rim Protectors Quailty Vee Rubber brand inner tube. Will fit 2.50″- 2.75″ tires on 14″ rims. Recommended Accessories: Tire Iron Rim Protectors
Should anyone ask what the valve’s bending limit is on the QT50, it is 0.8mm; potentially useful knowledge when a barroom of Yamahopper owners are making bets. Yamaha’s Autolube system made sure the gas and oil mixture was as close to perfect as possible.
What kind of carburetor did a Yamaha Yamahopper use?
Retrospective: 1979-1992 Yamaha QT50 Yamahopper. Compression ratio was a modest 6:1. The carburetor used was a Mikuni VM12SC, running fuel through a reed valve, an efficient and inexpensive way of allowing the fuel mixture to enter the crankcase as the piston rises, and then closing off the intake as it descends.