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[shelby500]

Not starting this tread to make anyone mad just have a couple questions. Dealer has a guy buying a cvo and is putting in a 120r motor.He will give me a good deal on it installed in my street glide that is coming in at anytime that has the 103 in it.Is it worth it to have them tear a new bike apart and install the 110.  First Harley but have had plenty of bikes!I know you can make the 103 run but the 110 has a lot of the good stuff already there (I believe).Don't really want a racer but thinkin you can never have enough power!  Any and all thoughts welcome.

[fresh oil and pipes]

Not gonna make any angry but will be an interesting thread to watch. Have not found a 110" that will hang with my 103" as of this time and date. Just Sayin. 

[04se103]

Welcome to the site glad you have joined us when you can go by this board and Introduce yourselfNew Member Inroduction
As for as your question goes the new 103's are not the same as the older 103's and the 110s well i am not to sure about those either but i am sure someone will chime in shortly

[04se103]

Not gonna make any angry but will be an interesting thread to watch. Have not found a 110" that will hang with my 103" as of this time and date. Just Sayin. 

Bad Cobb Bad 

[Beak Boater]

Had a 103 in a CVO 06 Fatboy, and loved it. Now have a 110 in a 2010 SEUC. Different bikes more weight on the dresser. But in my humble opion. I dont think I would change for the 110. How would the deal work? They sell you the 110 and keep your 103 plus cash.

[guppytrash]

The 103 Harley sells now is the same motor as all the 96inchers with a big bore kit...NOT to be confused with the 103's that came in the earlier CVO's.  NOT THE SAME MOTOR!!!!
This is the greatest bait and switch sales pitch HD ever came out with.  Nearly every guy I know, or have talked to, thinks they are getting something "hot" or "screaming eagle" with the purchase of a new 103 option.  It's a big bore kit...cylinders and pistons...thats it!  Not what there buddy bought in 2006 or earlier when he bought a CVO.

One consideration is the engine color will not match the trans.

A stock CVO 110 will definitely outrun a stock (96 big bore) 103.

Is it worth it?  Guess that depends on how good the deal is and what you want in the end.

[Vosselman (NL - Europe)]

Knowing and have seen the problems with the 110ci, I rather see a warmed up 103ci than a 110ci.
A warmed up 103ci with 5 speed will have lots of power, without the problems a 110ci has.

[guppytrash]

Knowing and have seen the problems with the 110ci, I rather see a warmed up 103ci than a 110ci.
A warmed up 103ci with 5 speed will have lots of power, without the problems a 110ci has.

5 speed?  HUH!!! What???  Yea thats what you should do...I'll bet the dealer will give you a He11 of a deal on that. 

Uhhhh I would like to trade my 6 speed for a 5 speed, what can you do for me?

Hate to tell ya but the same cost cutting that went into creating the 110 motor problems is alive and well in the 103's and the 96's.

[Spiderman]

Lessee here  In my humble opinion, a 103 is to motorcycles as Sophia Loren is to women which would make the 110 Lucille Ball


B B

[HD Street Performance]

Well I may have a different take

IMHO all of the MOCO offerings have issues and in some cases have good component parts but not a well integrated package. I will explain
There is a lot of passion and bias on the topic because guys plunk down hard earned money to buy these bikes and especially the 110 CVO bikes and then begin the ritual of finishing what the MOCO, HD, has left Half Done

The 06 CVO 103 is not really part of this comparasion. This is comparing a 2011 103 VS a motor change to a SE CVO110 from what I understand, right?
Well the bottom end is the same. Both of them have had issues with cranks slipping taking out oil pumps and camplates, and other parts on the drive side. They just added the SE compensator to the CVO bikes as standard, it should be on all new big twins!
The SE 110 pistons VS the 103 pistons would be a toss up IMO, both good parts on their own. The cylinders also decent parts. The heads on the 103 are decent out of the box and well matched to the motor, and offer the ACR solenoids for easier starting. This 103" is the same motor used in the police bikes (since 2007) and after the addition of the ACR valves has proven very reliable in fleet service. The 110 on the other hand has a very poor service record and the MOCO has replaced more motors with this model than any I can remember since the inception of the twin cam. The 110 has an interesting head but IMHO not that well matched to the motor and the intent of most of the owners. The ports and valves are very large. This is not a bad thing if all out HP is the want but these motors are then saddled with full EPA trim and a very short cam in an attempt to get them to satisfy the government, reliability and what the majority of the owners want for performance. Well they missed the mark there. I talk to these guys every day. They want torque, pulling power for the most part. These 110s run hot as the corrected for cam compression is very high. This heat is really causing most of the issues we see as compared to the 103 which does not run cool but not as extreme. This includes head gasket leaks, exhaust valves seizing, cylinder bores distorting and more issues.

Pass on the 110
See if they will just get the 103" properly tuned SEST or TTS, new pipe less cat and with the proper placement of the new lamda sensors, a cam change, and air filter. It will run well if the dealer knows how to tune and has a dyno. Warrenty will be between you and them.
If you want a motor that will make a differance then just pony up and buy the 120R

[Keats]

In the "new" catagory

Neither have a forged crank,

110 has cases bored out.

2006 and earlier 103's were a more reliable engine platform than 110.

Is the current 110 better than current 103? good question, I do not know

initial 110 problems have almost all disappeared.

The biggest question is.......Does a current 103 run as good or better than 110,

my betis that they would be close

[HD Street Performance]

They all have forged cranks (cold forging process) but the allowable tolerance for runout is .012 which is excessive.
No high ground for the 06, 07up 103", or the 110". They all slip!
The 06 is no gem and has the added issue of cam tensioners that are a known issue.

[grc]

Why confuse the issue and waste virtual ink on the '06 and earlier CVO103 in this thread?  That's not what the man is asking about, and that particular powertrain is not even close to what he has coming. 

IMHO, I'd recommend keeping the Powerpack 103 and just doing the normal stage 1 upgrades plus a good tune.  If done correctly, it should be superior to a stock 110 without all the "issues" a stock 110 brings to the table.  And btw, what sort of warranty do you suppose you would have on an engine that was removed from a different bike?  And what would you do about the fact that the VIN on the engine would not match your MSO (manufacturer's statement of origin), which would tend to complicate matters when applying for a title.  The entire idea is not a good one, and if it were offered to me I would pass in an instant.


Jerry

[VRODDAVE]

This is a lot of great information.   PLEASE CONTINUE to cover all years ...  Im interested,  and learning from this thread.

[HD Street Performance]

Why confuse the issue and waste virtual ink on the '06 and earlier CVO103 in this thread?  That's not what the man is asking about, and that particular powertrain is not even close to what he has coming. 

IMHO, I'd recommend keeping the Powerpack 103 and just doing the normal stage 1 upgrades plus a good tune.  If done correctly, it should be superior to a stock 110 without all the "issues" a stock 110 brings to the table.  And btw, what sort of warranty do you suppose you would have on an engine that was removed from a different bike?  And what would you do about the fact that the VIN on the engine would not match your MSO (manufacturer's statement of origin), which would tend to complicate matters when applying for a title.  The entire idea is not a good one, and if it were offered to me I would pass in an instant.


Jerry

Good advice there, I agree 100%