New Air Box for 2004 Roadstar

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Cam Rewop - 25 Jun 2004 23:09 GMT

Hi All,

I have a 2004 Yamaha Road Star. I've added a set of Cobra Hi-Boy Shotguns,
and had the bike re-jetted by my dealer.

I've just received a new Yamaha Speedstar Competition Air Filter, and would
like to put it on. How important is it to re-jet the bike again, (if at
all) after installing the new air?

Thanks,

Cam

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e - 26 Jun 2004 00:04 GMT

>Hi All,
>
[quoted text clipped - 8 lines]
>
>Cam

check your plugs after the first 100 miles and you tell us.

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Cam Rewop - 26 Jun 2004 00:40 GMT

OK - I am admittedly a total noob here. I'm going to guess I need to look
for carbon deposits, or scorching to see if it's running to rich or lean?

> >Hi All,
> >
[quoted text clipped - 10 lines]
> >
> check your plugs after the first 100 miles and you tell us.

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e - 26 Jun 2004 01:09 GMT

>OK - I am admittedly a total noob here. I'm going to guess I need to look
>for carbon deposits, or scorching to see if it's running to rich or lean?
>
>don't top post...post like you read or speak. avoids confucion on long threads.

you can teach yourself easily. on line, google.com should
help you learn how to read a plug. take the time to learn.
i'm betting you know how to replace a plug? see if you can
find one of those condition charts to illustrate how a rich,
lean, or normal plug looks.
if you have a tough time, ask here, but i bet in less than
an hour, you'll know.
many bike manuals..clymer, haynes, have plug guides. the
library or a friend can get you a copy made.

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Cam Rewop - 26 Jun 2004 04:08 GMT

Thanks! I'll be doing some checking. Just wanted to make sure that when it
comes to checking the plugs, I am in fact checking their visual appearance,
and not something else (like their ability to make a spark or something).

> >OK - I am admittedly a total noob here. I'm going to guess I need to look
> >for carbon deposits, or scorching to see if it's running to rich or lean?
[quoted text clipped - 9 lines]
> many bike manuals..clymer, haynes, have plug guides. the
> library or a friend can get you a copy made.

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Cam Rewop - 26 Jun 2004 04:07 GMT

Well - I've got the install completed. There weren't any instructions
included with that air filter, but I'm 90% sure I've got it installed ok. I
wanted to run a quick sanity check by everyone.

Everything seemed to fit/work ok, except for two items. First, there's a
round (circular, not spherical), rubber plug that I could not find a place
for, and it didn't appear to go anywhere to me. It was probabyl 1/2"
smaller in diameter than the carb intake.

Next, the bolt that they sent was about 3/8" too long. It would not fasten
down the plate that holds the air filter on. I cut it down to size, and it
appears to be working just fine.

I have a 2004, and I'm wondering if the differences are from Yamaha making a
kit that includes parts for multiple years (2004, 2003, etc...).

I took it out for a quick spin, and seemed to run really good (actually, it
seemed to run great, noticably better than earlier today with the stock
filter). I noticed a couple of things on the ride that I would again like
to run by everyone for a sanity check.

First, when reving the throttle, I can actually hear air being sucked into
the filter. Not loud, just loud enough to hear. Is that normal? Second,
when I started the bike, it started without the choke on at all. It had
been 4-5 hours since it was running. The idle sounded really good to me.
Not fast, just nice and solid. Before the new air filter, it seemed to
really *work* to idle, and it didn't really necesarily sound right...but it
came back from the dealer that way so I made an assumption that it was
correct. Would it be normal for a big v-twin to start up after 4-5 hours of
being off, without any choke?

I reall appreciate any help/tips. Thanks!

> Hi All,
>
[quoted text clipped - 8 lines]
>
> Cam

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Motorcycle Forum / General / Yamaha / June 2004

New Air Box for 2004 Roadstar