Why are my quad bikes back wheels susuki LT-F250 ,one more so than the other folding inward

Bravo! For a Removable Seat
The stroller seat and backrest detach easily in one piece, along with the canopy, leaving behind a lightweight frame carrier for the car seat. It's just as easy to reattach so older babies can switch between car seat and stroller.
Bravo! For a Smart Fold
When it's time to close the stroller, the seat cushion lifts to expose a fold handle. The handle engages easily with one hand, activating the fold and simultaneously rotating the front wheels inward to keep the stroller standing for easier maneuvering and storage. Once the stroller is closed, the fold handle doubles as a carry handle.

Is that a quad? On the side of the carb is the idle screw' when engine is running twist it lady slowly till engine stumbles slightly and twist slowly back to the right till engine stumbles you should go by ear and find the middle medium in the revs that's how u find idle

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1. Lock both front swivel wheels. Not locking the swivel wheels before folding the stroller can damage the wheels 2. Empty the basket. 3. Fold the canopy by lifting the canopy levers. 4. Remove your player from the canopy. 5. Lift and hold the folding levers up on both sides of the handle. 6. Tilt the stroller onto its back wheels and roll it forward and then pull it back quickly and the front guardrail will fold inward. 7. Turn handle inward with an underhand hold to latch and lock.

This happens when the back wheel is not aligned properly with the chain. As the wheel turns the chain is being pulled to one side causing it to slip to the next set of cogs. To solve the problem first you need to loosen the wheel by opening the 2 nuts on the axel. If the chain slips inwards towards the wheel you need to move the front part of the back wheel to the left from a view point behind the bike. If it slips outwards away from the wheel then you need to move the front of the back wheel to the right as viewed from behind the bike. When the chain and cogs of the rear wheel are lined up in a straight line the problem should be solved.

ALWAYS have a fire extinguisher on hand when working on carburetors.
Remove the water trap bowl at the bottom of the petcock, (gas valve). Is there any water or trash in the bowl? Drain a cup of gas from the tank. Is there any water or trash in the cup? Dump it, clean it and re-mount it, ( not all bikes have a water trap bowl ).

Drain the carburetor. There may be a screw on the lower side of the carb float bowl. Remove the screw then replace it after the fuel drains. Turn the gas back on and wait a minute for the carb to fill with gas. If the bike doesn't start and run properly then shut off the gas and remove the carburetor from the engine.

Remove the float bowl and clean the entire carb with a spray carb cleaner from the auto parts store. Wear protective goggles to avoid getting spray in your eyes. Spray into all the little airways and fittings in the carb. Remove the idle screw and the air screw on the outside throat of the carb and spray into the screw holes as well.
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Be sure to put these two screws back in the same hole they came out of. IMPORTANT > do not tighten these two adjusters down. Only screw these in until they LIGHTLY seat. Now turn each adjuster one and one half turns outward. Before putting the slide back in the throat of the carb, move the clip on the jet needle one notch lower. Put the rest of the carb back together, clean the air filter and install the carb. Let the float bowl fill then start the engine. This process should get you back on the road.

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four w d actuator is faulty replace actuator

First put the 2 front wheels to face inward then then press the wheel locks down (found on front of the wheels). While standing at the back of the stroller (pushing position), there is this sort of a black plastic tube located on the left side of the pushing bar. Grasp this black tube and push it upward and while doing this push the pushbar downward. The stroller should fold down as you do this.