Fatboy S - Engine Differences for Intake and Exhaust?
#11
04-25-2016 | 04:49 PM
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From: Lafayette, Louisiana
As mentioned, these bikes do get hotter quicker at idle. We're not in our warmer days in the northeast and I can tell you that the engine gets pretty hot sitting still. Yes, it can handle it and you can also opt to shut it off in traffic that's not moving. This is just speaking from practical experience with the bike. I had a lot of saddle time this weekend and I had a blast on the S, but thought to myself a few times while standing still.... This is going to be Blazing in the summer. I will invest in some mid frame deflectors if they are available. I've already changed the full exhaust, so the CAT was gone from the get go. I'm sure it runs cooler remapped.
On the HWY, it was cool as a fan. In comparison to the 103 on my 2014 street Glide, which also has no Cat, there is a noticeable difference.
Wonder if installing a 58mm throttle body will help cool down this engine a bit?
On the HWY, it was cool as a fan. In comparison to the 103 on my 2014 street Glide, which also has no Cat, there is a noticeable difference.
Wonder if installing a 58mm throttle body will help cool down this engine a bit?
That is why a simple fix after getting rid of the catalytic converters and putting a free flowing air cleaner on is to richen the air fuel fuel mixture which is done via download / remap on these newer bikes. Old bikes like mine it is usually just a small adjustment of the carburetor with a screw driver. In fact, at least on old bikes, if you change the exhaust and air cleaner without adjusting the air fuel ratio, it will run leaner and get hotter than stock. Modern fuel injection systems can compensate for this up to a point, but it is still not a real fix.
EPA regs have it set as lean as possible without detonation. That is the exact cause of excess heat.
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#12
04-25-2016 | 06:11 PM
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From: San Francisco
EPA regs have it set as lean as possible without detonation. That is the exact cause of excess heat.
#13
04-25-2016 | 07:34 PM
Originally Posted by Prot
Huh?
Everybody knows these newer bikes regardless of displacement are running lean which makes them running hotter than they should regardless of displacement. Catalytic converters add to the heat. Softails have the catalytic converters in the mufflers whereas other models have them in the head pipe. Much cheaper and easier to eliminate the converters on any Softail than on other models.
Even in stock form, you will absolutely not harm the engine on these new bikes idling in traffic. If the temperature climbs too high, then cylinder deactivation kicks in. If traffic is stalled for an hour, there is always the option of shutting the engine off if a person wants to. Again, regardless of displacement, the same holds true.
My old bike doesn't have any of that though.
It is hilarious to listen to the anti CVO or S people argue against the 110 because of heat while advocating installing a big bore kit on a smaller displacement engine such as a 96 or 103.
Do you really think that Harley would be rolling out bikes costing in excess of $25K and backing them up with a warranty that would melt? And then, that is in stock form. A few tweaks here and there and it runs even cooler.
But what do I know. Just the ramblings of a white beard carbureted Evo biker.
IMHO the Fat Boy S is the best bike in this year's lineup. Admittedly price is somewhat steep.
Everybody knows these newer bikes regardless of displacement are running lean which makes them running hotter than they should regardless of displacement. Catalytic converters add to the heat. Softails have the catalytic converters in the mufflers whereas other models have them in the head pipe. Much cheaper and easier to eliminate the converters on any Softail than on other models.
Even in stock form, you will absolutely not harm the engine on these new bikes idling in traffic. If the temperature climbs too high, then cylinder deactivation kicks in. If traffic is stalled for an hour, there is always the option of shutting the engine off if a person wants to. Again, regardless of displacement, the same holds true.
My old bike doesn't have any of that though.
It is hilarious to listen to the anti CVO or S people argue against the 110 because of heat while advocating installing a big bore kit on a smaller displacement engine such as a 96 or 103.
Do you really think that Harley would be rolling out bikes costing in excess of $25K and backing them up with a warranty that would melt? And then, that is in stock form. A few tweaks here and there and it runs even cooler.
But what do I know. Just the ramblings of a white beard carbureted Evo biker.
IMHO the Fat Boy S is the best bike in this year's lineup. Admittedly price is somewhat steep.
The bike works great for me, but the man was talking about heavy traffic Nd I told him the truth.
#14
04-25-2016 | 08:30 PM
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From: Lafayette, Louisiana
He was asking about the heat in terms of harming the engine and no, it will not. It doesn't matter if your nuts are roasting, the engine will be fine.
Some people install fans such as love jugs. Others use the crotch cooler to direct air away from your body.
Also worth noting, is my old Evo's temperature came down drastically after I changed the cam.
Some people install fans such as love jugs. Others use the crotch cooler to direct air away from your body.
Also worth noting, is my old Evo's temperature came down drastically after I changed the cam.
#15
04-25-2016 | 09:01 PM
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From: Atlanta, Georgia
I appreciate all thoughts and opinions (and experiences) - it's been about 10 years since I've ridden an air-cooled bike, so I can all go by is my experience with the V-Rod (which like I said, has 200+ degree air blown on your right leg when the fan comes on) 
I didn't say this earlier, but the idea behind the trade is to use it more on the highway - for my 60 mile round trip daily commute at 70 mph + speeds, and not so much around town. No matter what bike it is, that isn't much fun here in (at least this part of) Atlanta.
From everything I've read so far, the Fatboy S seems like the one. But of course, riding it will confirm. I can live with some extra heat, if the performance is there. And yes, a pipe, AF and tune would be the first order of business
I didn't say this earlier, but the idea behind the trade is to use it more on the highway - for my 60 mile round trip daily commute at 70 mph + speeds, and not so much around town. No matter what bike it is, that isn't much fun here in (at least this part of) Atlanta.
From everything I've read so far, the Fatboy S seems like the one. But of course, riding it will confirm. I can live with some extra heat, if the performance is there. And yes, a pipe, AF and tune would be the first order of business
#16
04-25-2016 | 09:58 PM
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From: Lafayette, Louisiana
#17
04-25-2016 | 10:31 PM
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From: Atlanta, Georgia
Will do - Not exactly my style but I do like the wheel options, and the Cosmic Blue Pearl...
#18
04-25-2016 | 10:43 PM
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From: Lafayette, Louisiana
Originally Posted by bbmach
Will do - Not exactly my style but I do like the wheel options, and the Cosmic Blue Pearl...
To me, Fat Boy S with black fat mini apes, detachable windshield with the black braces, and detachable deluxe style bags from Boss Bags with the optional wheels would make a versatile sweet ride.
#19
04-26-2016 | 12:48 PM
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From: Maine
#20
04-26-2016 | 03:56 PM
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From: Central Texas
Fwiw I think the tq numbers between the 103 h.o. and the 110 is like 7 or 8 fps. Otherwise seems like the same bike (does the S model have cruise this year?, does the Regular Lo?) but the listing retail price on site is 2200.00 less for regular FB Lo. Smart money may be to just go regular + stage one and have more power than the 110 bike, run cooler, and still save some of that 2200.00.