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50cc missing - 1/11/2013 7:36 PM   
flybyme



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From: college park, GA, USA
Status: offline 		What is a common cause of a 50cc gas engine missing...sputtering after a crash. Mixture, iginiton, pickup?

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RE: 50cc missing - 1/11/2013 7:57 PM   
mrbigg



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Status: offline 		Do the simple first- replace the spark plug.

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RE: 50cc missing - 1/11/2013 8:15 PM   
All Day Dan


 

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Status: offline 		second, replace the ignition.
third, replace the pick up.
Dan.

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RE: 50cc missing - 1/11/2013 9:54 PM   
Checklst


 

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From: Alpharetta, GA, USA
Status: offline 		Does the prop hub have a key way on the crank..................prop hitting the ground in a crash could move hub if a key is what holds it to the crank starts to shear off.....would change the trimming if the key moved.

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RE: 50cc missing - 1/11/2013 10:26 PM   
pe reivers



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From: Arcen, , NETHERLANDS
Status: offline 		Too early ignition timing also causes occasional misses.


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RE: 50cc missing - 1/12/2013 8:25 AM   
flybyme



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Status: offline 		Thanks for the replies, will address them all.

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RE: 50cc missing - 1/12/2013 1:49 PM   
captinjohn


 

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Status: offline 		RE 50cc missing yet?  Just keep looking & you will find it.

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RE: 50cc missing - 1/20/2013 3:43 AM   
flybyme



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From: college park, GA, USA
Status: offline 		Knocking down a good spark, where do I go next, the woodruff key, or carb....?

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RE: 50cc missing - 1/20/2013 1:28 PM  1 votes
ahicks


 

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From: Waterford, MI, USA
Status: offline 		The spark plug boots will often leak when under compression only. Spark looks fine when not installed? If it was damaged at all in your accident, I'd replace the ignition if you have one you can swap into it. If that works, order out a new boot and just replace that?

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RE: 50cc missing - 1/20/2013 7:08 PM  1 votes
apalsson



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From: Coffs Harbour NSW, AUSTRALIA
Status: offline 		I have seen the same symptoms on a club mate's plane where the spark plug cap wasn't properly on the plug.
He had loosened up the spring clup on the boot too much so you could see the cap moving up and down on the plug

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RE: 50cc missing - 1/20/2013 7:33 PM   
TimBle


 

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quote:

ORIGINAL: captinjohn

RE 50cc missing yet?  Just keep looking & you will find it.


LOL, A club mate was also complaining about his RCGF 55 missing in flight. So I said I'd take a look at it.
So I walked over to the plane and paced around it in circles 2 closckwise and once counterclockwise and exclaimed EUREKA!!! and walked back.

After I sat down he looked at me and Said: I thought you were going to look at my engine?

I replied: I did, but not just that, you'll be pleased to know I found it under the cowl....



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RE: 50cc missing - 1/22/2013 7:05 AM   
bcchi


 

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quote:

ORIGINAL: TimBle


quote:

ORIGINAL: captinjohn

RE 50cc missing yet?  Just keep looking & you will find it.


LOL, A club mate was also complaining about his RCGF 55 missing in flight. So I said I'd take a look at it.
So I walked over to the plane and paced around it in circles 2 closckwise and once counterclockwise and exclaimed EUREKA!!! and walked back.

After I sat down he looked at me and Said: I thought you were going to look at my engine?

I replied: I did, but not just that, you'll be pleased to know I found it under the cowl....



O-Boy LOL
BCCHI

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