A 114 can come in a few flavors and if it is stock crank big bore if the piston weight is comparable to stock (possible with pin weight juggling) then no need. When a crank kit is purchased and for my money while the cases are split why not have it done. Hoban Crankworks can accomplish this as well as others. Is it absolutly necessary, no. Adviseable yes.
:hmmm: So the crank has to come out to bore the cases anyway, right? So you might as well go ahead and have it balanced while it's out......OR, since you're in that deep on the labor and rebalancing anyway you might as well go ahead and stroke it. And since one crank costs the same as the next....
It seems to me like there are only two logical choices. 98" or 131"!!!
The crank does not have to come out to bore cases for bigger cylinders. If you have a 02 or earlier 88". you could put a mild 114 together without going into the bottom end, assuming that the pistons weighed the same and the crank was good.
I would not do it to a 03 or later without doing the crank bearing upgrade. If you are building an engine for a bagger that probabley won't see 4500 rpm, there shouldn't be a problem.
<<The crank does not have to come out to bore cases for bigger cylinders. If you have a 02 or earlier 88". you could put a mild 114 together without going into the bottom end, assuming that the pistons weighed the same and the crank was good.>>
How do you get a 4.250 bore cylinder into 02 or earlier stock cases without boring??
I think you should go for it, or are you chicken Colonel Sanders.
Ok, couldn't resist that one. I did a 107 all bore and a 104 All bore without balancing. I see no reason to as long as your piston weights are correct.
However, it's apart, you are spending good money on a build why not balance? Smoother ride and it can't hurt longevity. Just be sure to have someone do it who fully understands it. Lots of balance jobs out there that are not balanced at all.
i was reading post in the other thread (Question 98"...largest without crank rebalance?) dont really understand the balancing crank,i am doing a 104 build and having the flywheel plug and welded so if i have it all apart i should have the crank balanced too,thanks
First off, I'm not the one who came up with this idea and it has been posted (reads: buried) in other threads. I just figured I'd post it as its own stand alone thread so others could benefit.
Below is the parts list for the Screamin' Eagle Stage I Kit for EFI Models (part #29773-02B)...
I know I didn't think I would ever get this far, but ... I am considering an upgrade. I was going to pick up a new M8 but that's not in the cards for a few more years yet so I am thinking I may upgrade the TC with a cam. Fuel Moto just did a large cam comparison and I think the S&S 583 cam is...
Hey all having a tricky issue with the big 131
Bike turns over and seems to be firing on just a single cylinder with occasion loud backfires (like igniting fuel in the pipes.) Front cylinder plug is typically very wet with fuel when removed.
2007 Softail Deluxe
131 cu TC...