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Buell Forum » Old School Buell » M2 Cyclone » Archive through November 08, 2013 » Do I have thunderjet heads?? « Previous Next »

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Wheels63
Posted on Monday, March 25, 2013 - 10:30 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I have a completly stock 01 Cyclone M2, Would this model and year have these heads?, How can I tell, and what to look for?, Thanx J in Oregon
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Coxster
Posted on Monday, March 25, 2013 - 10:38 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I have thunderstorm heads on my '99 M2. They were painted black instead of left silver if I remember right. All the M2s got them '99-up
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Ratbuell
Posted on Tuesday, March 26, 2013 - 08:23 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Yes - they're thunderSTORM heads, and as noted by Coxster, they are all black. Everything 99-up had them until the change to XB bikes (and heads). In 98 only the S1W and S3 had them; they were the first.
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Bluzm2
Posted on Tuesday, March 26, 2013 - 09:49 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

What Rat said...
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Ratbuell
Posted on Wednesday, March 27, 2013 - 08:09 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Lots of folks get confused because the M2 had a lower HP rating...that's all in the cams. The heads were thunderstorms across the board - carb, EFI, whatever - from 99 to the beginning of the XB days.
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Jayvee
Posted on Wednesday, March 27, 2013 - 06:57 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Why?
Changing something, need to confirm fitment, or ???
I love the yellow bikes, back to the first S1 I saw in person. Can't remember how far back, but I still vividly remember looking over that bike, thinking Man I gotta get one of these! Took over 10 years to do it.
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Rex
Posted on Tuesday, April 09, 2013 - 03:45 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The first 97 Buells were regular heads. I added the thunderstorm heads and pistons to my m2.

I then added the S1 cams. the original m2 cams were the stock sportster style cams, for more torque, if I remember right.
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