EVO All Evo Model Discussion

Jet Sizes?

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Old Jun 21, 2023 | 02:18 PM
  #11  
TwiZted Biker's Avatar
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Originally Posted by wombat457
Okay - so I fially found a mechanic to do the work and an EX HD Mechanic at that. One who isn't all that impressed with HD in terms of what they tell their customers. Anyway, that is another story.

At the end of the day and after discussin a number of things his suggestion was simply this - "Get rid of the S&S Stuff, rebuild your stock Carby and have the bike tuned properly for the mods made and the stock CV... ". Additionally, he recommended putting on a Dynatek Ignition instead fo the S&S ignition..." The bottom line is I am just going to get the CV rebuilt with appropriate Jets for the mods done amd will leave it in this guys hands.

Now, in the hope of sstopping any "debates" he stated that S&S have some very good stuff BUT not for an Evo Harley. Best carb for an Evo is what they came with - the CV followed by a Mikuni if necessary.
Thing with any aftermarket performance products is knowing how to tweak and tune them for whatever platform and additions they are used on and understanding realistic expectations of what you'll get. That's where a lot of the love it or hate it goes on with all the stuff out. Carbs are whole bag of cats all on there own, everybody has their choices and dislikes when it comes to the mechanic dealing with them.

S&S is a basic and very easily tuned carb if one knows how, the CV and Mikuni need far more attention and multiple adjustments to get right but they are pretty solid once you get there. They also have very well known down sides as the slide parts are very prone to wear, why every R&R kit you see has a new slide and bare slides themselves are available and pricey. They can be touchy bastards to set up right.

 
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Old Jun 21, 2023 | 03:28 PM
  #12  
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Originally Posted by TwiZted Biker
Thing with any aftermarket performance products is knowing how to tweak and tune them for whatever platform and additions they are used on and understanding realistic expectations of what you'll get. That's where a lot of the love it or hate it goes on with all the stuff out. Carbs are whole bag of cats all on there own, everybody has their choices and dislikes when it comes to the mechanic dealing with them.

S&S is a basic and very easily tuned carb if one knows how, the CV and Mikuni need far more attention and multiple adjustments to get right but they are pretty solid once you get there. They also have very well known down sides as the slide parts are very prone to wear, why every R&R kit you see has a new slide and bare slides themselves are available and pricey. They can be touchy bastards to set up right.
That's just it.. I feel the less moving parts the better..
 
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Old Jun 21, 2023 | 10:00 PM
  #13  
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Yoy, I'm still running the same CV carb on my 29 year old Fat Boy, I did my tweaks on it, long ago & runs strong & can get about 48 mpg.average.

But everyone has their own thing.
 
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Old Jun 22, 2023 | 10:50 AM
  #14  
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And here lies the problem - as TwitzedBiker said - everypone has their own preferences and favorites.

So, in hindsighte - here is how I now look at things, in so ar as MY BIKE is concerned ... it is a25 - 26 year old bike. It was built with parts that were (presumably) compatible and practicle for the bike 25 - 216 years ago; presumably BEFORE the majority (or ANY) of todays "after marker parts" were even thought of. let alone made. The bike ran beautifully with all of the ORIGINAL stock stuff on it for 24 - 25 years - so to me THAT says a lot about the components used 25 or so years ago.

My mistake was trying to improve the appearnce of the bike, for my tastes, by adding the "AFTER MARKET" stuff as it was THAT STUFF that has apparently caused the issues - NOT the original stock gear. And THAT tells me a lot about the strength and reliability of what the 97 FLSTC came out with as stock. It is the after market stuff that messes older bikes around and, I believe, it is that which my mechanic was alluding to as well.

So, now people are going to ask "if he knew that, why did he do it ..." Because I didn't know it untill speaking with independant people and experiencing the issues for myself. If I had my way now, I'd put the original parts back on and get rid of all of the aftermarket stuff. Looks aren't worth the screw ups that after market seem to cause, stuff ups that only MORE after market stuff seem to be able to help remedy.

 
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