| Author |
Message |
    
Two_buells
| | Posted on Thursday, March 13, 2008 - 09:11 pm: | 
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I remember when I first got mine it sounded like a Panhead with an open primary
I tell my friends that below 3000rpm's it sounds like a harley and above 3000rpm's it sounds like a sportbike |
Dtx
| | Posted on Thursday, March 13, 2008 - 09:15 pm: |
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Edm,
My clutch chatters too. I beleive it is normal. Enjoy! |
Bearly
| | Posted on Thursday, March 13, 2008 - 09:22 pm: |
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Edmbueller:
I would describe the noises the engine makes like placing two handfuls of 1.5" metal bolts in a blender and selecting "Wipp" or "Puree".
To me it has a lot of engine mechanical noises to be sure. I think of it like a Duc with a wet clutch though.
As soon as American Sport Bike gets that exhaust system going , I think I'll hear less engine noise.
The link for that new exhaust  |
Edmbueller
| | Posted on Thursday, March 13, 2008 - 09:22 pm: |
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Thx guys. it is 0 celcius here today (about 32 F i think) But I just HAD to take it out again!! Snow in the forecast for the next 3 days.....DAMMIT lol 150kms into the break in! |
Zac4mac
| | Posted on Thursday, March 13, 2008 - 09:28 pm: |
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Back in from the garage, no rattley clutch.
Quiet clutch, valve-train whirrrrs, exhaust has a thump to it, thanks to a 5/8 drill bit up each tip.
Z
(Message edited by zac4mac on March 13, 2008) |
Bob_thompson
| | Posted on Friday, March 14, 2008 - 12:47 pm: |
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Just a few of my observations after just a few hundred miles: As Zac said, I also do not have much clutch noise, just some valve train noise at idle. Cannot hear much at 6000 rpm's except intake sucking in gulps. I can only imagine what that will be at 10,000. With that said I noticed my tach light gets real bright at 6000 rpm's. Will that change to 9 or 10K after odometer sees 600 miles? I added my own red tape to tach face at 6000 to aid in keeping it under that; real hard to do. I will move it to 7500 soon and then remove it at 600 miles.
My bike came in with only 12.02 volts so it went right on the battery tender. I keep it on it all the time when not riding. Small inconvenience for having it ready to go anytime. I do believe that this bike was not really meant to be highly accessorized. As a sport bike, which it was meant to be, it does just fine with only a few problems seen on this board which with patience will be solved by BMC. There are plenty of bikes with good handling, good H.P. and luggage built in for touring that you can accessorize to the max. I wanted an ultimate sport bike and believe I now have it.
My bike also came in with the suspension pretty far off for me (165 lbs) and not even close to a factory setting. I found with some real simple tuning what was a great handling bike became an outstanding world class handler. Please take the time to work on this. Easy enough to do at a quick stop. You will be pleasantly surprised.
I only use two fingers on the front brake. Its plenty enough even for a stoppie. I believe a handful will get you into trouble. I have been slightly dragging the rear occasionally to get it seated in and it seems to be working much better then my M2 but I just don't use it much anyways. Panic stops, probably. But thats just me.
In changing oil with exactly 3 qts. I can see it just on the bottom of the dipstick when cold and on the stands, vertical, not leaning. Nice to do a quick check BEFORE a ride.
Fuel mileage does not seem to be great but my rides have been vigorous. Always in the twisties with reasonably hard acceleration from 3500 to 6000, some braking then all over again for many miles. Some cruising but not very much. The engine and fuel delivery have been spot on at least over 3000 rpm's. Understandable. I'm at 4200 ft. elevation. Just enough cruising to set fuel parameters. Coolant temps. ran right at 165 degrees at 50 degrees ambient outside. A small amount of clutch slipping is needed and keeping the rpm's around 2500 to pull away from a stop smoothly. A little different from My thumper M2.
All in all, well please and thankful for a well engineered and thought out bike. For those of you having some troubles, I sympathize, but ask you to be patient and finally have a really great, world class bike. Time will tell on mine, but I believe this is one of the best bikes I have ever owned. More to come. I love sport bikes. Bob
(Message edited by bob_thompson on March 14, 2008) |
Edmbueller
| | Posted on Friday, March 14, 2008 - 01:08 pm: |
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Fantastic write up Bob, thanks for sharing! We need more of these positive stories to alleviate the doctor's office syndrome! |
Nickcaro
| | Posted on Friday, March 14, 2008 - 07:41 pm: |
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Zac,
could you post some photos of the holes you drilled in to the exhaust tips?
I got the drill plugged in and charging. |
Zac4mac
| | Posted on Friday, March 14, 2008 - 10:28 pm: |
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Nick -
Look at the cutaway shots.
Each tip is the end of a tube that curves down into the middle chamber(I think)
Anyway, both tips curve down pretty sharply so I could only get one hole.
Started small, 1/4" and kept going bigger, 5/8 was as big as I had for my cordless.
You have to take the muffler off to get into them.
At first I thought it wasn't enough, but I think I'm OK with the sound now.
I also notice, especially with my helmet on, that I can hear the intake valves burbling thru the snorkel.
I'll see if I can get a picture, but I doubt it until I pull the muffler again.
If you try it, be careful not to drill thru the outer skin, that would be a bad thing.
Z |
Nickcaro
| | Posted on Friday, March 14, 2008 - 11:17 pm: |
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If I'm understanding this correctly, your holes are roughly where the red dots are here....?
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Zac4mac
| | Posted on Saturday, March 15, 2008 - 06:07 am: |
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Pretty much "spot on".
Z |
Nickcaro
| | Posted on Sunday, March 23, 2008 - 02:01 pm: |
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I looked at all thats involved with removing the muffler and decided that I just don't want to deal with taking it off...
I nearly paid someone else to do it, until I cam across this gem at Lowes
The Orbiter
I just finished the bottom and will now attempt to get in to the top. Very excited to hear something.... |
Nickcaro
| | Posted on Sunday, March 23, 2008 - 03:09 pm: |
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 o' boy, I wish I hadn't done this....
I got the bottom one no problem and even played around with the 5/8 to make it a little bigger. The top was difficult due to lack of space and I was only able to pop a 1/4 in to it. Very happy to have been able to do this with out removing the muffler...
Only problem is that I feel like a Heron addict that just got a tiny little taste. I do hear a little extra thump from my exhaust and its just making me crazy for a whole new pipe.
my name is Nick and I'm addicted to loud rumbling exhaust |
Bearly
| | Posted on Sunday, March 23, 2008 - 10:20 pm: |
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Thanks for sharing Nick. The first step in a cure is admit this to yourself.
(the second is to buy a great pipe when one comes out!) |
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