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Buell Forum » Old School Buell » Archives OSB 001 » Archive through November 02, 2005 » Identifying X1 cams « Previous Next »

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Lemonchili_x1
Posted on Monday, September 19, 2005 - 09:24 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

When I bought my 2002 X1W last year I was told my bike had a "hotter" set of cams in it. I actually didn't believe the dealer as the bike felt pretty much the same as the other X1 with a race kit that I'd test ridden...

Today I had the gearcase cover off and looked at the cams. Cams 1, 3 and 4 have 1B, 3B and 4B respectively on the crankshaft side, one dot for lining up the timing, and what looks like a "B" on the outside. The 2 cam is the same plus the ^ marks shown in the manual. There are no other markings.

Does anyone know if these are standard X1 cams?

Cheers,
curious lemonchili
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Denfromphilly
Posted on Monday, September 19, 2005 - 11:23 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

My X1 is supposed to have a hot cam in in too and there is no mistaking it for a stock cam. It idles very lumpy and has an awful lot of mid end response and torque. I yanked the throttle back in second gear at 3000 rpm this morning and did a very long wheelie. That being said, hot cams come in a lot of flavors too and it's not a very precise term. I would love to find out what I have in mine, can you see the markings with the timing cover removed? Den
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Ceejay
Posted on Monday, September 19, 2005 - 11:45 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Den-nope you must pull the cam cover, not a tough job but you'll probably be needing a new gasket for the cam cover and oil pump caus that has to get pulled first along with your exhaust. How curious are you? Lemon-me thinks that you got stockers for an X1W which are hotter than the M2's.
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Denfromphilly
Posted on Monday, September 19, 2005 - 12:01 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Not that curious!
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Tripp
Posted on Monday, September 19, 2005 - 04:21 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

i've often heard x1's described as having "hot cams" when they had stock lightning cams in the bike. the stock cams are equivalent to andrews n4, which are pretty aggressive for a sportyish motor.
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Cyclonemaniac
Posted on Monday, September 19, 2005 - 06:35 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Lemon, sounds like you have "stock" X1 cams in your bike. The stock cams in an X1 were called "B" cams which are considerably more aggressive than the "D" cams that come in sportsters and were stock in M2's. They do have a rather lopey idle and hit hard at 3K rpm. I put the "B" cams in my M2 along with a few other goodies listed in my profile. Made a HUGE difference in the bike. The specs on the "B" cams are .500 lift and .256 duration. They are about the highest lift cams you can put in the cases without having to relieve the cam chest.

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Oldog
Posted on Wednesday, September 21, 2005 - 04:25 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

2001 x1 cams are identified
15,25,35,45 IIRC
(fsm)
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Natexlh1000
Posted on Wednesday, September 21, 2005 - 05:28 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

How "hot" are screamin' chicken as compared to the X1 cams?
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Mmmi_grad
Posted on Wednesday, September 21, 2005 - 06:30 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

how hot is the screaming beagel cam?

I wish I knew how it compared to the x1 cams.
It would be interesting to know if our motors stick with the screaming beagal bolt on ladder of stage performance or if our motors are truelly different than the sportster performance ladder of upgrades. Will it be in the middle? And where and if its way higher where are my bored out cylinders . I dont know?

Well this reminds me a fundamental truth in harley engine building. Things need to match. The "bolt on " attitude lacks some things. I prefer not to just bolt on a cam. If i install a high performance cam I want my bore to accomadate it and my heads better be up to the task of flowing for this cam. I want a carb or fuel system to be able to feed it. If my motor doesnt match a bolt on cam is just a start . But it is indeed the first place to start.

(Message edited by mmmi_grad on September 21, 2005)
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Phat_j
Posted on Wednesday, September 21, 2005 - 11:44 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

your x1 cams are the same as the "bolt in" cams that harley sells.... harley also sells the 536 lift cams which are not bolt in, but they however will fit in the compartment no problem.... no grinding necissary... the problem comes into play with the valve springs...
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Lemonchili_x1
Posted on Thursday, September 22, 2005 - 06:45 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Thanks folks. I knew that M2/Sportster cams were "D" cams, but didn't know that the X1 cams were "B".

Oldog - are those numbers that should be stamped on the cams or part numbers? Or something else?
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Bluelightning
Posted on Thursday, September 22, 2005 - 05:27 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Stock is good and is about equivilent with the N4's. N-6's will help out a lot if you want some additional pep, but if you really want to wake that beast up get a set of Red Shift cams, of go like I did and get a set of Wood Carbs, Knight Prowler Cams. With a .630 lift, this thing has NO problems with power in any area, from down low to top end!!
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Oldog
Posted on Thursday, September 22, 2005 - 11:24 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Lc:
as I have it from the fsm the 2001 cams are stamped on the side of the lobes, if you change cams you may have to install a matching pinion gear on the crank as well, the gears were changed to a "high contact angle" type and are "to be replaced as sets"

lift, duration, over lap, etc I won't comment on as I know a little less than squat
but thats how for the 2001 model year

hope that this helps..
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Natexlh1000
Posted on Friday, September 23, 2005 - 12:19 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Are the XB cams the same as ours you think?
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Lemonchili_x1
Posted on Friday, September 23, 2005 - 09:50 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Oldog - thanks.

I should have said from the start I'm happy with my bike the way it is, was just curious if the dealer who sold it to me was telling me the truth - he said they were aftermarket cams, but he may also have confused it with one of the other bikes he had for sale.
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Racerx1
Posted on Friday, September 23, 2005 - 10:05 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

No, XB cams are 'E' cams with 0.550 lift, quite different valve timing, and substantially less area under the lift vs crankshaft degree curve. In general terms, the 'E's work well on the top end, have extremely good valve dynamics/valvetrain stability at high engine speeds. Valve overlap is more a function of valve timing than loads of duration. Very refined grind that works well with a well thought out powertrain.

The 'B' cam is more of a traditional old school hot rod cam with loads of duration to get the valve overlap and agressive opening/closing ramps and responds well to the typical hot rod tricks.

Very generally speaking, Peak power is about the same between the two, all things being equal. B cams have the potential to make more midrange with an optimized exhaust. E cams are easier on the valvetrain at higher engine speeds. Your choice!

I run 'b's in my street legal drag bike (10.70's @125mph, and 'E''s in my road race bike
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Oldog
Posted on Saturday, September 24, 2005 - 09:58 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Lc:
got home to day looked in the fsm
I am not remembering it correctly

from the FSM specs
lift @ valve .211"
duration @ .053" lift In/Ex 256/256
timing @ .053 lift opn/cls
intake o 28 BTDC/ c 48ABDC
exhaust o 52 bbdc / c 24 atdc

2001 X1 cams are stamped on the side
of the lobe 15-x x = (1,2,3,4)

thats it from the FSM hope that this helps
sorry about the fowl up

theres a lot of about this stuff that floats around,
one ol timer listened to the sled and said that it was "cammed" that was the only comment that its drawn.
I can't comment on what works better, I will say this the guys at Buell aint stupid and the bike runs I hope that I will be following in 1313's path and some day posting a 100k roll over!
I think that in stock trim she'l do it.
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Lemonchili_x1
Posted on Monday, September 26, 2005 - 06:55 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

My 2002 FSM says the same. My cams just have 1B, 2B etc, not 15-1, 15-2 etc, which is what got me wondering.
The original reason I had it apart was to paint the engine covers. All back together now and purring like a kitten. (A very loud, angry kitten )

back together
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