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  #271  
Old 2nd December 2017
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I was very unimpressed with Cobras on my '72'; they were marginally (only!) better than worn out Dunlops. I've been very happy with ME880s in the past.
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  #272  
Old 2nd December 2017
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Also heard reports of Cobras splitting, I'll give them a miss myself. Avon used to make great tyres, 41 years ago Roadrunners transformed my Honda 500/4 from a foul handling wet weather death trap into a decent handler when I also put Girling shocks on
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  #273  
Old 30th December 2017
Laser Nick Laser Nick is offline
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Stage I will improve performance, but more importantly, your bike will breathe better, exhaust better, run cooler in the Tropics of Florida which is saying something. Run cooler? That statement is based upon an oil-tank reading, and that said, I don't see 210 degrees F, be it in Florida where I live, or across the Mojave Desert on the way to visit my blood-family in California, Paso Robles. Your bike will be happier with Stage 1, so will you. ThunderHeader and that plastic part removed from the "ham-can", K&N filter installed, no re-map necessary on the fuel-injected bikes. that was my Stage 1, and it was done to the bike by the local Harley Dealership, brand new bike, zero miles, other than test, full-warranty, but came with a ThunderHeader, high-flow air, mini-apes, Avon Venom-X tires (tyres), forward-controls, and a bunch of cosmetics. Problem is, Stage 1 leads to Stage 2...ought to be illegal, it's addicting.
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  #274  
Old 30th December 2017
glbsportster glbsportster is offline
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I am very happy with my American Elites....have had them on about 2 months, but my review is somewhat restricted by my sedate type riding and never in the rain, so doesn't really count much for the true, blue riders, but for my riding they are so much smoother and less affected by road imperfections than my previous 401 and 402s, so I will stick with the Elites in the future. Everyone seems to be very happy with their tires, but when the time come to replace them they continue to look for the perfect tire, makes me think perhaps they weren't as happy with their tires as they let on. Oh, the only thing I dont like about the Elites is the front tire's thread is running in the opposite direction as the rear tire....just looks odd.

I am wondering about something and I know the experts in here can set me straight on this....my understanding from reading various posts in here (my understanding may be incorrect) so on with my question. I understand that the EFI on my 09 1200C does not change the fuel/air mixture since it is set by the a throttle position indicator. Is that true? If true, would that not cause an engine to run leaner when you reduce any air restriction, such as going from the stock HD air filter to a K&N low air restriction type filter, without doing any remaping of the fuel/air percentages??? Thanks for any feedback on that.
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  #275  
Old 25th January 2018
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Quote:
Originally Posted by Laser Nick View Post
ThunderHeader and that plastic part removed from the "ham-can", K&N filter installed, no re-map necessary on the fuel-injected bikes.
i think the re-map mandatory... otherwise it's a job not done properly
it's not that the dealer actually re-mapped?
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  #276  
Old 25th January 2018
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Quote:
Originally Posted by glbsportster View Post
I understand that the EFI on my 09 1200C does not change the fuel/air mixture since it is set by the a throttle position indicator. Is that true? If true, would that not cause an engine to run leaner when you reduce any air restriction, such as going from the stock HD air filter to a K&N low air restriction type filter, without doing any remaping of the fuel/air percentages???
my opinion is NO
maybe in closed loop (the O2 narrow band sensors give something like a feedback back to the ECM) a little the ECM adapt himself to the new A/F ratio

in open loop (no feedback from ECM about A/F ratio) you had to do a mandatory canned remap that reset the values of A/F ratio based on the throttle position, rpm ecc.. (or in alternative a wide band O2 sensor autotune)

if you want to know more

http://www.bikeboy.org/open_closed_loop_efi.html

regards
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  #277  
Old 27th June 2018
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Got a kick out of reading the posts from over 10 years ago where people used upcoming EPA enforcement as an excuse for not doing a basic stage 1.
I've got drag pipes with khromewerks HP+ baffles, Dragtron II AC with a k&n filter, 45/175 jets/N65C Needle shimmed .040,A/F screw 1 5/8 turns out and it's about as good as it gets AFR wise. The difference is the N65 needle from an '88 sportster. All ya need to do to the carb for most all stage 1 upgrades tho I did go from 42 to 45 on the slow jet.
Just bought the SERT 32124-04B for $80 to work on the timing curve.
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  #278  
Old 23rd October 2018
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Screaming Eagle A/C + V&H Short Shots + Tune, Michelin Commander II.
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  #279  
Old 1st February 2019
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A late post to be sure, but there is no doubt that uncorking the EPA compliant stock sportster, in particular letting it breathe and exhaust properly, reduces head temperatures, oil temperatures, and improves the longevity of the engine. This was even more necessary on the 'D' cammed carbureted engines, which I am most familiar with.
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  #280  
Old 3rd February 2019
hammer6315 hammer6315 is offline
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Careful about the EPA, they're not going away. They don't give a damn about motorcyclists 'choice', that freedom is not afforded to those who ride.

Last edited by hammer6315; 9th February 2019 at 16:22..
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