Suzuki FA50 Moped Teardown

Teardown

Teardown

Teardowns provide a look inside a device and should not be used as disassembly instructions.

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My 1984 Suzuki FA50 was exhibiting some interesting problems. Although it ran fine a year ago, I could not get it running for the life of me. The problem was most likely a stuck throttle cable that I unstuck using some brute force. However, I figured it would also be nice to get my hands dirty and do an overhaul of the carburetor and engine. So here it is!

Note: The teardown was done backwards. I already disassembled the moped, and then took pictures reassembling it together. You may notice that some parts look new -- it's because they are.

Note #2: I figured it would be good to ring in the new year with a solid teardown, so I published it right on 12:00 AM PST, January 1, 2010 :)

Tools
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Add Note Edit Step 1 — Suzuki FA50 Moped Teardown  ¶ 

  • There's no rage against this machine.

  • Looks great, except it doesn't run.

  • Its 50 cc engine lets me go downhill at almost 28 MPH when it does run. Uphills, not so much. Depending on the hill (and my head start), I may or may not have to walk it up.

    • The seat advertises "185 LB max." In the USA??

    • The above weight limit can be used in a "Yo mamma" joke. Note that I said can be, and not should be.

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Add Note Edit Step 2  ¶ 

  • Safety first. Disconnect the battery and store it in a safe place.

  • The battery's readily accessible underneath the seat.

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Add Note Edit Step 3  ¶ 

  • In retrospect I figured out i that I didn't need to remove the exhaust cover, but what the heck... When in Rome, right?

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Add Note Edit Step 4  ¶ 

  • Took off the air intake box.

  • That's contractor-grade 3M packing tape holding the airbox together. Only the best for my moped.

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Add Note Edit Step 5  ¶ 

  • I went to the other side of the bike and removed the carb/oil pump protective cover.

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Add Note Edit Step 6  ¶ 

  • The foot rest came off next, in order to gain access to the engine and spark plug.

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Add Note Edit Step 7  ¶ 

  • While down there, I unplugged the spark plug cover.

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Add Note Edit Step 8  ¶ 

  • I then proceeded to access the wiring underneath the gas tank.

  • The wires needed to be disconnected in order to remove the frame away from the engine/crankshaft.

  • First I removed the protective brace on top of the oil/gas tanks using a 10 mm socket wrench.

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