
Won't start
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- Posts: 12
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- Zip Code: 39191
Won't start

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- Cub Pro
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Re: Won't start
Check the coil wire and make sure that there is a bright blue spark from the coil to the distributor cap. Then check each spark plug and wire to make sure the spark at the plug is good and strong. If no spark, check the points to see if they are burnt or corroded as well as the inside of the cap for moisture. That is a good start.
Confusion breeds Discussion which breeds Knowledge which breeds Confidence which breeds Friendship
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- Posts: 12
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Re: Won't start
Do I disconnect it at the plug or distributor?
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- Posts: 12
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Re: Won't start
I checked the plugs. they had a weak orange sparks
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- Team Cub Guide
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Re: Won't start
did you turn the gas back on?
If you are not part of the solution,
you are part of the problem!!!
you are part of the problem!!!
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- Cub Pro
- Posts: 28706
- Joined: Sun Feb 02, 2003 8:37 pm
- Zip Code: E1A7J3
- Skype Name: R.H. "Rudi" Saueracker, SSM
- Tractors Owned: 1947 Cub "Granny"
1948 Cub "Ellie-Mae"
1968 Cub Lo-Boy
Dad's Putt-Putt
IH 129 CC
McCormick 100 Manure Spreader
McCormick 100-H Manure Spreader
Post Hole Digger
M-H #1 Potato Digger - Circle of Safety: Y
- Twitter ID: Rudi Saueracker, SSM
- Location: NB Dieppe, Canada
Re: Won't start
Cubman1 wrote:I checked the plugs. they had a weak orange sparks
Then the answer would be -- Coil

Confusion breeds Discussion which breeds Knowledge which breeds Confidence which breeds Friendship
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- Team Cub Mentor
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Re: Won't start
Condenser. Conduct a complete tune up.Rudi wrote:Then the answer would be -- CoilCubman1 wrote:I checked the plugs. they had a weak orange sparksThe spark needs to be a bright blue. Time to get a new coil.
Voltage check at terminal on side of distributor, looking for near full battery voltage with ignition points open.
I have an excuse. CRS.
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Re: Won't start
Ive bought some new plugs and plug wires but when the ignition switch is pulled out. the coil gets hot. doesnt that mean that it works?
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- Cub Pro
- Posts: 28706
- Joined: Sun Feb 02, 2003 8:37 pm
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- Skype Name: R.H. "Rudi" Saueracker, SSM
- Tractors Owned: 1947 Cub "Granny"
1948 Cub "Ellie-Mae"
1968 Cub Lo-Boy
Dad's Putt-Putt
IH 129 CC
McCormick 100 Manure Spreader
McCormick 100-H Manure Spreader
Post Hole Digger
M-H #1 Potato Digger - Circle of Safety: Y
- Twitter ID: Rudi Saueracker, SSM
- Location: NB Dieppe, Canada
Re: Won't start
Cubman1 wrote:Ive bought some new plugs and plug wires but when the ignition switch is pulled out. the coil gets hot. doesnt that mean that it works?
No. That usually means that the coil is toast. But as Eugene said, check the condenser as well.
Confusion breeds Discussion which breeds Knowledge which breeds Confidence which breeds Friendship
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- Joined: Tue Jul 09, 2013 3:31 pm
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Re: Won't start
Where is the condenser located? I am getting a purpleish blue spark now though.
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- Cub Pro
- Posts: 28706
- Joined: Sun Feb 02, 2003 8:37 pm
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- Skype Name: R.H. "Rudi" Saueracker, SSM
- Tractors Owned: 1947 Cub "Granny"
1948 Cub "Ellie-Mae"
1968 Cub Lo-Boy
Dad's Putt-Putt
IH 129 CC
McCormick 100 Manure Spreader
McCormick 100-H Manure Spreader
Post Hole Digger
M-H #1 Potato Digger - Circle of Safety: Y
- Twitter ID: Rudi Saueracker, SSM
- Location: NB Dieppe, Canada
Re: Won't start
Item # 6 in the parts diagram below.
/Electrical/Page-36.jpg)
Coil/condenser are probably cold now which explains the bluer spark. When hot the spark is yellow if present at all
/Electrical/Page-36.jpg)
Coil/condenser are probably cold now which explains the bluer spark. When hot the spark is yellow if present at all

Confusion breeds Discussion which breeds Knowledge which breeds Confidence which breeds Friendship
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