Motor won’t start

[Ron928]

I have a 2000 50hp Johnson rebuilt the carbs new coil pack I have spark new fuel pump mounted on the engine block and new cylinder head gasket still can’t get motor to start any help would be great thank you

 

[saltchuckmatt]

I have a 2000 50hp Johnson rebuilt the carbs new coil pack I have spark new fuel pump mounted on the engine block and new cylinder head gasket still can’t get motor to start any help would be great thank you

We will need more info.

Compression?
GOOD spark? 7/16 jump nice and blue?
Fuel to the carb at least?
Did you spray fuel into the front of the carb?
Did you point the back of the motor towards the sun while staring at the moon?

Get the point, right. We can't see it so be descriptive.

 

[Ron928]

We will need more info.

Compression?
GOOD spark? 7/16 jump nice and blue?
Fuel to the carb at least?
Did you spray fuel into the front of the carb?
Did you point the back of the motor towards the sun while staring at the moon?

Get the point, right. We can't see it so be descriptive.

Yes compression 135 top cylinder 130 bottom cylinder I did squirt fuel into the front of the carbs it has spark I wouldn’t say bright blue it wouldn’t jump that far what could be causing weak spark ?

 

[racerone]

Pushing the key in and holding it in while cranking it over ?------Check flywheel key.

 

[Ron928]

Pushing the key in and holding it in while cranking it over ?------Check flywheel key.

Yes did the key both ways pushing in while cranking and held it in while cranking….fly wheel key ?

 

[saltchuckmatt]

Yes compression 135 top cylinder 130 bottom cylinder I did squirt fuel into the front of the carbs it has spark I wouldn’t say bright blue it wouldn’t jump that far what could be causing weak spark ?

Weak spark.....lots of things. I'll let Racerone walk you through it.

 

[Ron928]

Weak spark.....lots of things. I'll let Racerone walk you through it.

As I was cranking it would kinda backfire every once in a while like it wanted to start

 

[saltchuckmatt]

As I was cranking it would kinda backfire every once in a while like it wanted to start

Check the wires going from the power pack to the ignition coils. Is orange with blue strip going to the top coil?

 

[F_R]

Setting the warm-up throttle to the start position?

 

[Ron928]

Setting the warm-up throttle to the start position?

Yes

 

[saltchuckmatt]

Yes

If the coil packs are wired wrong it will cause backfiring.

Simple to check.

 

[racerone]

Charge the battery.----Have battery load tested.----Pull starter apart for inspection and ohm test on armature.