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Motorcycle - To Sell Or Not To Sell: I Need Some Advice

xj220

Will fly for food.
pilot
Contributor
Bullshit, buy TWO.

Nice, I was looking at getting a Thruxton 900 but since the Triumph dealers were so far away out here I decided to go Harley. Nice looking foxbody, too. Here's my baby, just washed it:
 

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scoober78

(HCDAW)
pilot
Contributor
100LL, PCIII mapped out correctly, and you can get clean detonation. Its a little hard to tell the difference by sitting on it, but you can see it on the dyno.

"Clean detonation"???

You do realize that you are putting lead into your engine, dramatically increasing fouling right????

You do realize that unless you've put higher compression pistons in your bike there is NO NEED WHATSOEVER TO RUN HIGHER OCTANE GASOLINE right??????

You do realize that a bigger octane number doesn' mean more power right???????

It's a little hard to tell the difference because there isn't one...in fact if there is any difference at all, its for the worse because by definition, higher octane fuel is chemically more difficult to ignite.

:sleep_125
 

xj220

Will fly for food.
pilot
Contributor
Higher octane allows for higher compression which means more power, however the engine needs to be modified for higher compression and lead is probably the last thing you want to put into your engine.
 

Single Seat

Average member
pilot
None
Not to mention if your bike has cats, you're going to have serious problems. Agreed, running AVGAS is nothing more than expensive. The bike wasn't designed to run on it.

XJ, octane number has nothing to do with compression, it has to do with flame propagation within the cylinder. Running higher octane gas doesn't change your compression ratio.
 

xj220

Will fly for food.
pilot
Contributor
I know, my wording in my previous post is kind of bass ackwards. A higher compression motor requires higher octane fuel because of its resilience to detonation (and other properties as well), and higher compression motors will generate more power. Basically I was saying is that the higher the octane, the higher the compression ratio you can build into your engine (not that simple, but a rough approximation).
 

BarrettRC8

VMFA
pilot
Keep it. There are few ways to better relax from a long day or week than going out for a ride.

I picked up two recently.

n5205683_42902808_4695.jpg


n5205683_43304488_2319.jpg
 

BENDER

Member
pilot
"Clean detonation"???

You do realize that you are putting lead into your engine, dramatically increasing fouling right????

You do realize that unless you've put higher compression pistons in your bike there is NO NEED WHATSOEVER TO RUN HIGHER OCTANE GASOLINE right??????

You do realize that a bigger octane number doesn' mean more power right???????

It's a little hard to tell the difference because there isn't one...in fact if there is any difference at all, its for the worse because by definition, higher octane fuel is chemically more difficult to ignite.

:sleep_125

We actually take the stock engines and modify them to run at higher compressions(turbo). The high lead content help PREVENT miss fire, and unwanted detonation, and the high octane does help with power. I agree with you on the lead with a stock engine, but where not dealing with some fat boy, I am talking about 16k rpm performance motors, I should have been more clear. They might not last that long, but that why these engines are so easy to rebuild. You might be right, but I think your wrong consider the nature in which I use the bikes for, which is not moto gp racing or anything, just a underground organization that likes to compete.
 

scoober78

(HCDAW)
pilot
Contributor
We actually take the stock engines and modify them to run at higher compressions(turbo). The high lead content help PREVENT miss fire, and unwanted detonation, and the high octane does help with power. I agree with you on the lead with a stock engine, but where not dealing with some fat boy, I am talking about 16k rpm performance motors, I should have been more clear. They might not last that long, but that why these engines are so easy to rebuild. You might be right, but I think your wrong consider the nature in which I use the bikes for, which is not moto gp racing or anything, just a underground organization that likes to compete.


Yup...my comments were merely directed at those running "Avgas" in stock motors claiming to get "waaay more power":D...

What are you running out of curiosity?
 

BENDER

Member
pilot
Nothing anymore, but I stayed with gsxr, mainly 750 and last one was a 1000. Only thing I have left is my kx 250 to get my fix.:(
 

jt71582

How do you fly a Clipper?
pilot
Contributor
Thanks all...I think I'll hang on to her for a while to see were this goes. You guy's have some beautiful bikes.

AVGAS - I've run it before, just had to adjust the mapping on the PCIII. I think I noticed a power difference but that was by my butt dyno :icon_mi_1.

Thanks for all of the advice. Mods if you want to put this in the War Zone section, feel free, because it's looking to turn into a motorcyclist thread.
 

Mumbles

Registered User
pilot
Contributor
Does anyone have any experience putting on aftermarket pipes, (V and H, or Samsons) themselves?? I'm trying to see if I get them on ebay or craigslist and do the Stage 1 upgrade myself...vice paying at least $1000. I have stock pipes on my '05 softail right now and was wondering what else I need to do besides getting the new air intake and eventually re-mapping the EFI. I've also had a few buddies tell me they've augured out the baffles themselves...comments??
 

spitfiremkxiv

Pepe's sandwich
Contributor
I'm in the market right now for a motorcycle if anyone's got anything good for a relative beginner. I plan to buy during my first month in P'cola, in May, or possibly during the last months of TBS. Right now I'm looking at standards and small to medium cruisers.

Does anyone have any good/bad experience with regards to state of registration for a motorcycle, since most of us are stationed outside of our state of residence? Does it even matter?
 

Mumbles

Registered User
pilot
Contributor
I'm in the market right now for a motorcycle if anyone's got anything good for a relative beginner. I plan to buy during my first month in P'cola, in May, or possibly during the last months of TBS. Right now I'm looking at standards and small to medium cruisers.

Does anyone have any good/bad experience with regards to state of registration for a motorcycle, since most of us are stationed outside of our state of residence? Does it even matter?



I'd go to cycletrader.com and see if you can get a smaller bike like an older HD sportster or a Triumph Bonneville for under $7K... classy and stylish, yet affordable and good for new riders. Whatever you do....don't get one of these!!


301167449_ad82cb79d5.jpg
 

SemperGumbi

Just a B guy.
pilot
Or a MoPed with flames on the side. There's always that option.

[edit: I must have had that wondow open for more than 9 minutes, cause I didn't get to see that I was already beat to the punch. oh well...]
 

scoober78

(HCDAW)
pilot
Contributor
AVGAS - I've run it before, because I have more money than sense. I think I noticed a power difference but I was wrong. :icon_mi_1
Fixed it for ya.;)

Good decision on the bike. Even if you decide not to ride much, take care of her, keep her stored well and you'll still have her when you are ready. Never get rid of your passion, unless its to eat.
 
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