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The 117 build has started.

11K views 31 replies 11 participants last post by  Mike Jesse 
#1 · (Edited)
Since yesterday was a typical gloomy NW kinda day, I decided to start on the 117.

The cases were split and cleaned along with removing the oil squirters and
looking for any machining chips left behind. Those got reinstalled with a small drop of Lock Tite on the screws.
The Dark Horse flywheel assembly was then cleaned and slipped into the pinion half of the case. 3 Bond gray sealant was applied to the primary case face and then installed onto the pinion half of the case.
All 9 case bolts were then torqued to the service manual specs.
I then mounted the case to the engine stand and checked both pinion and primary shaft run out. Both sides have .001 in. TIR.

Thats it for now.
http://i114.photobucket.com/albums/n251/mikejesse/DSC_6318.jpg?t=1352149078
 
#2 ·
This is what scares me. You were at 106HP & 118TQ before and now your going bigger. I just finished installing a 107" kit & cams and I'm thrilled with the first 250 miles. Am I gonna end up wanting more? :) What kind of numbers are you expecting with the 117"?
 
#4 ·
I hope it will make 120-125 hp and 130 torque.
Anymore than that is just icing on the cake.

I ate a little crow on the 107. I was hoping for 112-115 hp and 120 torque.

My 107 runs super, but there's this little guy that always sits on my shoulder
and whispers more MORE.
 
#6 ·
Nope. I have a set of heads that Dan Baisley converted to his Pro Street specs.
I had him pick the cam and set the compression also.

T-man 662-1's and 10.8 comp.

I'm going to use a V/H Power Dual head pipe with a pair of Crusher Mellows and see how that works out. If not, I'll stick with the D&D Fat Cat.

When it's done I'll take it up to Russel at Lonewolf Performance and let him tune it.

We shall see.
 
#5 ·
I think your estimate is very realistic ~ I rode the owners bike of oasiscycles in Brandon, MS over a weekend ~ I did 1000 miles ~ they have a dyno room and that Ultra was 128/132 with a 117. Plenty of low end torque ~ I never rolled it over 4k .....
 
#10 ·
I went through 4 SE Compensators on the 10 and figured I would give this a try ~ I am going to add the aim-tamachi louckout also.... I'll let you know how I like the DD7 ~ I figured I'll be keeping this bike alot longer than the 71k on the 10 or the 93k I had on the six, so why not. Plan on runnin a hundred k or so (3 years) and then doin a 117 or 120r ~ Have plenty of time & miles to decide ~ good luck with yours ~ can't wait to see the end results.
SemperFi
 
#15 ·
Did you get another engine to start the build on? Or did you tear down the one in your bike? Sticking with the fatcat? Your probably on the border of needing a 2" primary headpipe. Then again, nothing wrong with using a 1 3/4" for real good streetable torque!
 
#16 · (Edited)
My goal is to have big torque with the parts I have collected. The Fat Cat has the longer primary for a boost in low and mid range punch. Moving up to the Borzilla with it's 2 in. primary may kill some of the down low torque I want. I would love to spend several days on a dyno testing pipes but it would be cost prohibitive.
Bottom line I guess is to pick your poison and live with it.

I bought a new SE case to work with so I wouldn't have the bike down any longer than necessary. Gotta take advantage of these sunny NW days when ever I can.
 
#18 ·
Mike I did the 117 on my 110 platform,I used the V&H power duals with Fullsacs 2" baffles.Ended up with 125,128.No tune yet ,have to get to FL to Doc and have him fine tune although it runs very well right now.Starts easy hot or cold.No decel popping.Seamless power all the way up,and burns the tire right up. Have to be careful when I crack the throttle because the front end loses positive connection.Good luck with the build and let us know how things are moving forward.
 
#21 ·
Long overdue update.
After mocking up the cylinders and pistons, the front piston was touching the rear near BDC. ACK!
I had to machine a small crescent shape into both front skirts on the pistons.
Now that they clear we're back on track.
Thayer pump, cams, and plate are on.
Cylinders, pistons, and heads are also installed.

Yes that's the kitchen table. Momma lets me work on it as long as I clean up after myself.:D
That's about all for now.


 
#31 ·
Mike. I read early in your post that you were going with the power duals and the crushers. I can tell you fist hand that is a great combo for your 117, and they are not obnoxious loud either. The FLHX I just traded for my skunk I did almost the same build as you. 117, R&R stage 5 heads, HPI 55-58 max flow, Kuryakyn split flow injectors, 662-2 cams, thayer pump. I ended up at 136/139 sae. Bike was a blast, and I know I am going to get bored real quick with this 110. I just traded and its winter here in MN., so I wont get to try it for a while.
 
#32 ·
Thanks for the reply on the exhaust. I'm growing tired of the Fat Cat noise.
Yours certainly made big power.

On another note, the 117 is on hold.
I took it all apart and split the cases.
Decided to go ahead and do the Timkin conversion.
I have also got an S&S 124 Hot Set up kit coming.
4.625 stroke flywheel assembly and cylinders/pistons.

When I pull the 107 from the bike, I'll build another motor using the 117 parts and keep that motor for a spare. Maybe sell it complete.

So, the 117 is officially dead for now. On to the 124!

Updates as they happen.
 
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