force 40 hp starting question

[tntcoop]

I have a Force 40 hp and towards the end of last season I noticed that when I turn the key to the start position, it will not do anything for a split second, then it will crank. The starter doesn't drag, no clicking or anything like that. Like I said, it doesn't respond at all for a split second, then it fires right up.
I was going to check all my connections and the battery but I thought someone else may have had this challenge before and can offer some direction. Thanks for any and all help....tcoop

 

[roscoe]

Re: force 40 hp starting question

You are on the right track.
All connections on the ignition switch, starter solenoid, ground cable, battery, etc - should be clean and tight.

 

[tntcoop]

Re: force 40 hp starting question

I cleaned a lot of the connections today, however i didnt get the cable going to the starter, nor did i get the ignition switch connections. The battery did have a dead cell and I replaced it with a good car battery. The cranking amps arent as high, but it does crank the engine.
I have to admit that it does seem to start better, but it is still not 100% as it should be. Maybe that is because the cranking amps are a little lower?
What is the difference between a marine cranking amp and a cranking amp, is the mca on a higher scale?
I am going to get a pull rope for backup. How many times should a pull rope wrap around te flywheel?
Thanks for the help...tcoop

 

[roscoe]

Re: force 40 hp starting question

COLD CRANKING AMPS (CCA)
The CCA rating represents in amps the current flow the battery can deliver for 30 seconds at 0o F. without dropping below 1.2 volts per cell (total of 7.2 volts for a 12-volt battery). The higher the number, the more amps it can deliver to crank an engine.

MARINE CRANKING AMPS (MCA)
Batteries designed for marine use may be rated at MCA instead of CCA. The MCA rating method measures battery output at 32o F., not 0o F. A battery's MCA rating will be one-third higher than its CCA rating would be.

500 CCA x 1.3 = 650 MCA
or
650 MCA x 0.77 = 500 CCA


Given 2 batteries, one with 500 mca, and one with 500 cca, the 500 cca will deliver more power.

If all is right with the motor, a 500 mca or 375 cca battery should be enough to start it.

 

[tntcoop]

Re: force 40 hp starting question

Thanks for the information. I feel l i have a good battery, i wish there was a way to check the solenoid and the starter. Some guys have told me to check the ohms across the small termnals of the solenoid, it should read between 2.2 and 2.8. Mine reads 3.4 so I am not sure how true any of it is. Anyway, have a great week.
Tcoop

 

[striperangler9]

Re: force 40 hp starting question

I have a 1994 40hp force that had the same problem and changed my starter while changing the starter I realized that my battery wire was kinked, so I changed my starter for nothing. So I would check your entire wires from motor to battery. If your looking for a starter I'm selling one on ebay for 46.99 or best offer.