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Upgrading Shovelheads - Putting A Six In A Shovel -Tech

Shovelheads Jackshaft Support
Here's the notorious jackshaft... 
   
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Shovelheads Jackshaft Support
Here's the notorious jackshaft support. Larry installed the jackshaft support with grease or Anti-Seize although Rivera/Primo builds the support with a brass oil-lite bushing inside.
Shovelheads Primary Guard
Then he installed the stylish... 
   
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Shovelheads Primary Guard
Then he installed the stylish outer primary guard.
Shovelheads New Clutch
Larry removed the tranny front... 
   
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Shovelheads New Clutch
Larry removed the tranny front to install the late mode- style clutch cable and noted that we might need to modify the pipes. Also, the stock front, tranny to battery box bracket wouldn't work, and he had to make a custom job. Larry pointed out that all the tranny cover Allen fasteners were not the same length, and it's important to note which fastener goes where as they're removed.
Shovelheads Covers
After tightening up the new... 
   
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Shovelheads Covers
After tightening up the new River/Primo six-speed, he installed the derby and the laser-engraved covers.
Shovelheads Battery Mount
Next, Larry started marking... 
   
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Shovelheads Battery Mount
Next, Larry started marking and die-cutting the battery mount for clearance. He then moved onto the oil bag. He discovered if he removed the feed line fitting off the bottom of the oil bag it would slip in over the top of the trans from the left side toward the rear of the bike. It was sort of like a tight puzzle, but it worked.
Shovelheads Battery Box
Larry fit the battery box... 
   
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Shovelheads Battery Box
Larry fit the battery box and oil tank a couple of times while modifying the tabs for the perfect fit and good clearance over the top of the tranny. At this point it was obvious why Giggie removed the starter solenoid bung. It would have smacked the battery and oil bag mount.
Shovelheads Oil Tank
He replaced the feed fitting... 
   
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Shovelheads Oil Tank
He replaced the feed fitting on the bottom of the oil bag and installed the battery box. Larry pointed out that H-D made at least three different battery boxes during Shovelhead history. There were kick-start boxes, FX, FLH and Night Trains. Each one could require slightly different mods for this system to work.
Shovelheads Clutch
After the Rivera/Primo gang... 
   
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Shovelheads Clutch
After the Rivera/Primo gang left, Larry touched-up and went over the complete install. He road tested the bike and readjusted the clutch. He made a footboard mount attach to the Rivera/Primo outer primary and machined the handlebar lever to allow a keeper clip to hold all the components in place.
Shovelheads View
The bike was good to go with... 
   
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Shovelheads View
The bike was good to go with more gears, later-model transmission technology, stronger, longer-lasting starter and a proven primary drive and clutch.Not bad for less than three grand. It was margarita time.
Shovelheads Six Speed

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