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Cam Chain 20 Pin Length

1948man

Forum Sage
Past Site Supporter
When measuring the 20 pin length of the cam chain do you measure from "center of pin" to "center of pin". I realize you actually go from 1 pin to the 21st pin.

Also, due to limitations of my cheapo digital caliper, I measured 16 lengths and converted the limit from 6.213" to 4.970" which is 80% of 6.213. Does that sound reasonable?
 
You go from pin 1 to pin 20. Center to center, yes. Your conversion sounds good.
Look at the pic in the Suzuki manual, it's pretty clear.
 
It's not 20 pitches, its 20 pins, so 19 pitches. Anyway the picture in the Suzuki manual is clear.
 
The explanation and pic on page 3-35 of the Suzuki GS 1100G manual seems to say otherwise but maybe I'm confused. Or page 78 if you don't go by section designations
 
Last edited:
Yep, the picture in the Suzuki manual is very clear.

However, it shows 20 PITCHES when you measure for chain length.

Camchainlength.jpg


If you are setting cam timing, you measure 20 PINS, which is only 19 pitches.

.
 
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