Question about RTO 50cc Moped Scooter

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What spark plug do i need for a Yamaha M S 50 moped 1986

I have 1986 Yamaha M S 50 moped scooter which I have owned for a number of years but have never had maintenance manual for so need to know which is the correct spark plug and it's gap please

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Bill Boyd

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Take out the old plug and the details are on the ceramic bit
the new plug will be gapped correctly.
brand doesn't matter

Posted on May 05, 2015

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Anonymous

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SOURCE: need a paper manual not pdf for my 2003 yamaha

Download it from here..
http://www.bikechatforums.com/viewtopic.php?t=140295

Posted on Jun 16, 2009

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Anonymous

  • 2 Answers

SOURCE: moped

the gapping is standard you can u a match book and if it slides between the gap easy it is fine if it wont goo in the gap it needs to be gapped more if there is alot of space between it, it needs to be closed up some.

Posted on Jun 28, 2010

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My scooter wont start can u help


It is definitely frustrating when you can't get your scooter or moped started. The first thing you'll need to do is to narrow down the problem. In order for your gas scooter to start, it really only needs 3 things:

1.
Your scooter needs to spark at the correct time.
2.
Your engine needs the proper fuel/air mixture and exhaust flow.
3.
You need sufficient engine compression.

Top 9 Reasons Why Your Scooter Won't Start:

1.
Try depressing the brake handle when starting.
2. The battery has not been charged.
3. The battery is hooked up wrong. This is often the reason for blown fuses.
4. There isn't enough gas or two-stroke oil in the scooter.
5. There is a gas flow problem, especially on the Euro Scooter or Yamaha models.
6. The spark plug wire is not connected.
7. A low battery or bad relay can cause the scooter to only start by using the kick starter.
8. There is no spark to the spark plug. The coil is bad and needs to be replaced.
9. Turn the key to the "on" position.

Apr 12, 2010 | 2002 Hyosung RX 125

1 Answer

Need a paper manual not pdf for my 2003 yamaha aerox yq 50 moped


Download it from here..
http://www.bikechatforums.com/viewtopic.php?t=140295

Jun 16, 2009 | RTO 50cc Moped Scooter

2 Answers

50 cc chinese scooter moped won't stay running NEW OFF the truck


Look for crimped fuel line, loose spark plug or cap, after that tighten cylinder head probably (4) 10 mm nuts, these are the comon assembly issues I have seen.

Aug 11, 2008 | Transport Schwinn Rechargeable Portable ...

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