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Discussion Starter · #1 ·
Hi all,

had my Paul Smart out for the second decent run of the year and it broke down!! was running great then as I slowed for a roundabout and pulled clutch it stalled but refired quite easily. i thought the indicator idiot lamp looked a bit dim. about five minutes later it started mis-firing which got progressively worse until the engine management light came on and it rolled to a stop.

recharged the battery and it fires and runs beautifully. this is where I am confused. pust a multimeter onto the battery and recorded the following:

1. ignition off 12.8v
2. ignition on 12.4v
3. running 12.2v. (** i'm convinced this was 13.5v before bike got upto temperature - going to check again tonight)
4. tacho bounces when bike gets upto temp (50 deg on clock) - found a nick in a green with brown stripe wire.

all useful comments welcome

thanks in advance

Barry
 

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Hi all,

had my Paul Smart out for the second decent run of the year and it broke down!! was running great then as I slowed for a roundabout and pulled clutch it stalled but refired quite easily. i thought the indicator idiot lamp looked a bit dim. about five minutes later it started mis-firing which got progressively worse until the engine management light came on and it rolled to a stop.

recharged the battery and it fires and runs beautifully. this is where I am confused. pust a multimeter onto the battery and recorded the following:

1. ignition off 12.8v
2. ignition on 12.4v
3. running 12.2v. (** i'm convinced this was 13.5v before bike got upto temperature - going to check again tonight)
4. tacho bounces when bike gets upto temp (50 deg on clock) - found a nick in a green with brown stripe wire.

all useful comments welcome

thanks in advance

Barry
Sounds as though it's not charging the battery, so perhaps a new regulator/rectifier would be in order.
 

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Follow the standard tests for the rectifier/regulator. If that tests okay, then next test is for stator output.
 
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