| Author |
Message |
    
ian block
New member
Username: fusionfall
Post Number: 1
Registered: 10-2009
| | Posted on Wednesday, October 28, 2009 - 08:37 pm: | 
|
1985 75 horse mariner outboard backfiring through exhaust please help |
ian summerfield
Member
Username: budgie14
Post Number: 66
Registered: 06-2009
| | Posted on Thursday, October 29, 2009 - 01:37 am: |
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Hi Ian,have you tried new spark plugs? |
ian block
New member
Username: fusionfall
Post Number: 2
Registered: 10-2009
| | Posted on Thursday, October 29, 2009 - 06:14 am: |
|
thanks 4 the reply ian yes ihave tried new spark plugs. ive heard it is uncommon for 2 stroke motors to do this. any other suggestions? |
ian block
New member
Username: fusionfall
Post Number: 3
Registered: 10-2009
| | Posted on Thursday, October 29, 2009 - 06:16 am: |
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also i forgot to mention the carbs have been redone and the compression is great |
JB
Senior Member
Username: beckerjs
Post Number: 2031
Registered: 11-2005
| | Posted on Thursday, October 29, 2009 - 08:06 am: |
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without any additional info/backround I'll guess the flywheel key is split |
Fastjeff
Senior Member
Username: fastjeff
Post Number: 7039
Registered: 09-2003
| | Posted on Thursday, October 29, 2009 - 10:22 am: |
|
Good call! I'll bet that's it. The 'wheel has to come off to find out.
Jeff |
ian block
Member
Username: fusionfall
Post Number: 4
Registered: 10-2009
| | Posted on Thursday, October 29, 2009 - 05:50 pm: |
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hey thanks for the info i will look into that surely. should this be my first point of attack ? ive recently (today i heard via web unburned oil could cause this. is that possible?) |
