I just purchased a new ignition coil for my Honda lawn mower with the GXV140 engine. Best I can tell, the spec for the secondary resistance is 6.3 to 7.7K ohms. It is measuring 41K! Is there any chance that this will work? Thanks.
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Honda GXV140 Ignition Coil Resistance
- Thread starter JohnP
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Export threadbertsmobile1
Lawn Royalty
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If you purchased it from a mower shop or real suppliers of mower parts then it would have been electrically testes several times before it left the factory so it will be good & your readings will be bad
If you bought it off Evilpay or Scammazon guess where all the bad ones that Honda reject end up ?
The Honda spec is 12kΩ +/- 2k
Are you measuring it at the wire or at the plug terminal ?
The terminal screws off .
If you bought it off Evilpay or Scammazon guess where all the bad ones that Honda reject end up ?
The Honda spec is 12kΩ +/- 2k
Are you measuring it at the wire or at the plug terminal ?
The terminal screws off .
bertsmobile1
Lawn Royalty
- Joined
- Nov 29, 2014
- Threads
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- 24,705
In the engine or mower service manual which are sold by Honda through Evilpay .
The magnets induce a voltage in the primary windings so they are what is important
Higher secondary winding resistance is unlikely to cause the magneto grief but as to weather it will work or not that is anybodies guess .
In theory it should produce a bigger voltage at the plug as the higher resistance indicates a secondary with more turns.
IT could on the other hand indicate a graphite & fiberglass conductor that has broken down .
OR a bad cap or a bad connection between the cap & the coil
The magnets induce a voltage in the primary windings so they are what is important
Higher secondary winding resistance is unlikely to cause the magneto grief but as to weather it will work or not that is anybodies guess .
In theory it should produce a bigger voltage at the plug as the higher resistance indicates a secondary with more turns.
IT could on the other hand indicate a graphite & fiberglass conductor that has broken down .
OR a bad cap or a bad connection between the cap & the coil
Only way to properly test electrical circuits is to test under load. Multi-meters do NOT load test anything. This is the best tool for loading a coil down. Even has a cool name to it. She is called the PET 4000.