Free cam swap

Remove the battery cable to the alternator and remove the alternator.All the bolt heads are 13mm and there is one nut on the long, bottom bolt that is 15mm.If your valve does not find the top of the piston, hang on to the valve (or secure it).Lower it down a little and have someone turn the crank until you can feel contact.When you see the intake valve begin to close, the next time the arrow is at 12 o'clock, the piston will be at TDC.

Use the arrow on the crank pulley as a guide for determining which cylinder is at TDC.

Hopefully, your pulley indicator will be indexed correctly.

Note that it could be wrong, because the pulley hub is not keyed and the hub could have spun out of perfect synch.

Because of the nature of the 4-stroke engine, there will always be two pistons at the top of their travel at the same time (one on each bank).

If you want, you could swap springs on two cylinders before having to reposition the crank.

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You can do one cylinder at a time, which may help you tell what cylinder is at TDC. There are different methods you can use to keep the valves from falling into the cylinders as you change the springs with the heads on the engine.

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