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Old 12-07-2006, 10:08 PM
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124in. Engine Build (page 1)

Here we have the oil pump, and its drive gear. Also shown is the pinion shaft hardware and woodruff keys, for the slots shown earlier. Often these keys need some assistance falling into their slots, a slight tap. once the rear key is in its keyway...



Now slip the oil pump drive/worm gear over the key, as noted in the previous picture. There is a chamfer in one end of the worm gear. This chamfer is pointed IN against the pinion shaft boss. The gear MUST slide freely back and forth, then the black spacer is installed, .also a free slipping piece. There should be no bind whatsoever, as the spacer doesn't occupy all the space between the pinion gear, and the worm gear... It will slightly walk when the motor is running....



At this point, the pump is cleaned and wiped with acetone on its mating surfaces as is the engine case. A little assembly lube is applied into the cases bushing, and a dab of sealant on the gasket corners to help hold them in place. The pump is then slid into the case.



This shows the drive gear's location, as the pump is slid onto the engine. It must be in place during this, there's no room to install it after the pump. Then this gear and pump shaft are spun into alignment, and the pump shaft key is slipped into its keyway...with the small snap ring installed. Here again, if you "spring" the snap ring...get another. It's not worth it!



Here we have the oil pump, and its drive gear. Also shown is the pinion shaft hardware and woodruff keys, for the slots shown earlier. Often these keys need some assistance falling into their slots, a slight tap. once the rear key is in its keyway...



A slight film of loctite is put on the pinion shaft's taper, the final woodruff key is in its slot....the pinion gear is slipped on, and the pinion nut is tightened with red loctite # 271 to 50 ft-lbs.



This shot shows the JIM'S Machine pinion nut socket..




 

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Brent Mills
Club Chopper
www.clubcobra.com
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Old 03-17-2007, 06:25 PM
Super Moderator
Very Nice Brad!!!!!!!!!!!!!!!!!!!!
 
 
Old 03-17-2007, 07:39 PM
Club Chopper Member
Terrific thread there Gypsy!! I really appreciate you taking the time to do this for us!
 
 
Old 03-18-2007, 03:01 AM
CC Member/Contributor
This site just keeps getting better, thanks for taking the time to do this, for me who just rides them, its nice to get some insite on how things go together and work. There are a lot of helpfull people around this site.
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Old 03-18-2007, 05:37 AM
CC Member/Contributor
Nice job Brad. Very nice job. This is a great tutorial.
You put a lot of time and effort into compiling all of the pictures and describing the process.
 
 
Old 03-18-2007, 10:29 AM
Super Moderator
I know who to call if I ever have a question related to motorcycles!
Thanks for all you've done for the members here, Brad!
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Old 03-18-2007, 12:59 PM
Club Chopper Member
thabk you for taking the time for tutorial
 
 
Old 03-19-2007, 01:36 PM
Awsome article Brad
CC Member/Contributor
WOW! I'm about to contribute to CC again. The value of info like this... If everyone on here could pony up just $10.00 or so once a year... You'd all be getting a great value AND BigB would be able to afford all the redundant goodies so we would never go down...

-Pete
 
 
Old 03-24-2007, 07:26 AM
Douchebaggery
Wow!!! How the hell did I miss this one? Great job Brad!!!
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Old 03-26-2007, 05:10 PM
Club Chopper Member
wow that articalwas just what i was looking for.thank you.even the harley shop could not explain . ajusting valve lash on the 124 thanks again chuck.
 
 

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