Starter pinion teeth, 14 vs 16?

H

hdsport

Member
Joined
May 26, 2016
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24
1999 MTD 14.5hp, 42 in deck.
Question...
My top end starter shaft on which the starter pinion rides wore out and would not 'grab' the pinion to rotate the ring gear.
I ordered a kit that has all of the components for the top end.
So, I have a 16 tooth pinion on the starter now. This has been replaced in the past. Not sure if its the correct one, but it works!!!
Not sure if I have the correct number of teeth on the pinion.
The new kit has 16, the one I am replacing us 16.
When I look up the kit for my engine no., is shows a 14 tooth gear.
The gear tolerances are wide open.
Both 14 and 16 seem to work.
SO.....what is he reason for 14 vs 16???
Maybe more torque?
I expect that my new 16T kit will work just fine.
Please advise the reason for the 2 different gear teeth.
Thanks,
Paul.
 
Kohler, Briggs, Tecumseh, Kawasaki, Honda. Without engine model information we are guessing what you are working on.
 
Here is the info, thanks for reminding me......

Riding Mower, 14.5hp, i/c quiet 42" deck.
Mower: 13AM690G352 1670874
Engine: Mod 287707- -Type 0224-01
Code: 96072570ZD

I have referenced a 14T pinion when I do a search. A 16T replaced years ago.
My question...with the gear tolerences that seem to be very wide open, why the 14T vs 16T?

I'm thinking maybe more torque ?
Advise , please.
Thanks.
 
Briggs references the 695708 gear which appears to be a 16 tooth plastic gear for the plastic and aluminum flywheel ring gear. The steel ring gear uses the 14 tooth metal gear. part number 593935
 
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