New Timing Gear Tight On Crank?
#1
Posted 13 July 2019 - 11:16 AM
This may have been asked before, but I recently purchased a duplex set for my 1330. The gear fitting onto the crank is very tight. I've tried using some grinding paste on the mating surface to smooth it a little bit it's still very tight. Is this common and I need to keep going, or is there something else I should be doing?
Thanks in advance.
#2
Posted 13 July 2019 - 01:10 PM
#3
Posted 13 July 2019 - 01:18 PM
Try it without the woodruff and have a look at the keyways for burrs or bruising. Also the shoulders of the machined faces might want breaking with a touch of chamfering.
#4
Posted 13 July 2019 - 04:25 PM
#5
Posted 13 July 2019 - 04:44 PM
Use emery tape, the gear must slide on without any force. Same applies to the gear on the cam shaft.
#6
Posted 13 July 2019 - 06:02 PM
Cheers guys, that's tomorrows task sorted then. I'll give each of the above a go
#7
Posted 13 July 2019 - 06:03 PM
As the other guys have suggested in regard to the emery - you don't want to reduce the crank nose size.
Many are too tight out of the box, I like to get them a firm fit, that's just too tight to move with the fingers, but only just.
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