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Motorcycle Forum / General / Harley / September 2008



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XR750 Engine specs

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Jim - 03 Sep 2008 18:52 GMT
Does anyone have a source for specs of late model XR 750 racing
engines?   I'm looking for cam profiles, ports, bore & stroke,
Everything I can find.

thanks

Jim
roach AH#123 - 04 Sep 2008 18:46 GMT
> Does anyone have a source for specs of late model XR 750 racing
> engines?   I'm looking for cam profiles, ports, bore & stroke,
> Everything I can find.

HJere, ya lazy bastard. I'm tired of listening to you.

Took me 3 seconds to type your subject line to get thjis
on the second hit. The first hit was you asking the question
400 times.

http://www.ironharley.com/xr750techsheets.htm
Nasty - 04 Sep 2008 20:08 GMT
>> Does anyone have a source for specs of late model XR 750 racing
>> engines?   I'm looking for cam profiles, ports, bore & stroke,
[quoted text clipped - 7 lines]
>
> http://www.ironharley.com/xr750techsheets.htm

Now, now Roach. As we see with the republican v.p. pick we have to be
patient, loving, and nurturing to the disabled.
roach AH#123 - 04 Sep 2008 23:47 GMT
>>> Does anyone have a source for specs of late model XR 750 racing
>>> engines?   I'm looking for cam profiles, ports, bore & stroke,
[quoted text clipped - 10 lines]
> Now, now Roach. As we see with the republican v.p. pick we have to be
> patient, loving, and nurturing to the disabled.

It's better than with Obama. Then we'd have to pay
for them too.

--
roach
(That outta start something)
Nasty - 05 Sep 2008 07:40 GMT
>>>> Does anyone have a source for specs of late model XR 750 racing
>>>> engines?   I'm looking for cam profiles, ports, bore & stroke,
[quoted text clipped - 13 lines]
> It's better than with Obama. Then we'd have to pay
> for them too.

Yeah, and I'd rather spend the next four years lookin at Sarah than Biden.
roach AH#123 - 05 Sep 2008 08:27 GMT
"Nasty" <nastypullmychain@tampabay.rr.com> wrote in message

> Yeah, and I'd rather spend the next four years lookin at Sarah than Biden.

And Cindy rather than Michelle too.
Nasty - 05 Sep 2008 17:26 GMT
> "Nasty" <nastypullmychain@tampabay.rr.com> wrote in message
>
>> Yeah, and I'd rather spend the next four years lookin at Sarah than
>> Biden.
>
> And Cindy rather than Michelle too.

Now that you mention it, and since we have the place to ourselves
apparently, the Dem's have had pretty poor offerings, with the exception of
Tipper, for quite some time.

For me at least it has rejuvenated my interest in the election. I even find
myself reading bios and commentaries and such sh.t.
roach AH#123 - 07 Sep 2008 04:59 GMT
>> "Nasty" <nastypullmychain@tampabay.rr.com> wrote in message
>>
[quoted text clipped - 9 lines]
> For me at least it has rejuvenated my interest in the election. I even
> find myself reading bios and commentaries and such sh.t.

Hell, I bought McCain's book today. Donna already read
Obama's.
Jim - 08 Sep 2008 01:19 GMT
Roach

I've already seen that info - its way old & about useless.   I'm
talking about whats happening now - not back when you were just a
sperm cell in a leaky rubber.

Jim

> > Does anyone have a source for specs of late model XR 750 racing
> > engines?   I'm looking for cam profiles, ports, bore & stroke,
[quoted text clipped - 7 lines]
>
> http://www.ironharley.com/xr750techsheets.htm
roach AH#123 - 08 Sep 2008 04:38 GMT
Have the laws of physics changed? Did I miss something?

Roach

I've already seen that info - its way old & about useless.   I'm
talking about whats happening now - not back when you were just a
sperm cell in a leaky rubber.

Jim

On Sep 4, 10:46 am, "roach AH#123" <ro...@nowhere.net> wrote:
> "Jim" <jse...@cvip.net> wrote in message
>
[quoted text clipped - 11 lines]
>
> http://www.ironharley.com/xr750techsheets.htm
Nasty - 08 Sep 2008 04:50 GMT
I hear they gave wimmen the vote...

> Have the laws of physics changed? Did I miss something?
>
[quoted text clipped - 22 lines]
>>
>> http://www.ironharley.com/xr750techsheets.htm
Jim - 09 Sep 2008 01:30 GMT
The big change came a few years ago with D shaped ports.  Now they're
getting 100 hsp on a 750.  That's a 20% increase since it came out.
Its the most developed/refined motorcycle pushrod engine in
existance.  Perfect for classic roadracing.  I've made 3 calls to guru
Pat O Brian with no returns - he has all the business he can handle.
It looks like you have to know someone on the inside.

Jim

> Have the laws of physics changed? Did I miss something?
>
[quoted text clipped - 25 lines]
>
> - Show quoted text -
roach AH#123 - 10 Sep 2008 22:47 GMT
Well then, without going back and re reading this thread
backwards to see if it's been mentioned already, try the
guys at sporster.org, and I'll forward your post to a
guru from over there and see if he can help. He doesn't
visit here. Is your address good?

roach
The big change came a few years ago with D shaped ports.  Now they're
getting 100 hsp on a 750.  That's a 20% increase since it came out.
Its the most developed/refined motorcycle pushrod engine in
existance.  Perfect for classic roadracing.  I've made 3 calls to guru
Pat O Brian with no returns - he has all the business he can handle.
It looks like you have to know someone on the inside.

Jim

On Sep 7, 8:38 pm, "roach AH#123" <ro...@nowhere.net> wrote:
> Have the laws of physics changed? Did I miss something?
>
[quoted text clipped - 26 lines]
>
> - Show quoted text -
Nasty - 11 Sep 2008 04:13 GMT
You goin soft or what?

> Well then, without going back and re reading this thread
> backwards to see if it's been mentioned already, try the
[quoted text clipped - 43 lines]
>>
>> - Show quoted text -
'Key - 11 Sep 2008 18:21 GMT
> You goin soft or what?

whats all this top posting stuff ?

just wondering
Signature

'Key
=====

>
>> Well then, without going back and re reading this thread
[quoted text clipped - 60 lines]
>>>
>>> - Show quoted text -
Nasty - 11 Sep 2008 20:05 GMT
Just following the precedent set by "Jim"

>> You goin soft or what?
>
[quoted text clipped - 49 lines]
>>>>
>>>> - Show quoted text -
roach AH#123 - 11 Sep 2008 20:36 GMT
Yeah, if anybody goes back to read this thread, it'll _all_ be in the
wrong order.

> Just following the precedent set by "Jim"
>
[quoted text clipped - 51 lines]
>>>>>
>>>>> - Show quoted text -
Terry Coombs - 12 Sep 2008 00:06 GMT
Doesn't everybody read from the bottom up ?

> Yeah, if anybody goes back to read this thread, it'll _all_ be in the
> wrong order.
[quoted text clipped - 57 lines]
>>>>>>
>>>>>> - Show quoted text -

Signature

Snag
'90 Ultra "Strider"
'39 WLDD "Popcycle"
Buncha cars and a truck

Invisible68 - 12 Sep 2008 04:22 GMT
it is kind of like jeopardy.....answer in the form of a question....

Invisible68

>  Doesn't everybody read from the bottom up ?
>
[quoted text clipped - 59 lines]
>>>>>>>
>>>>>>> - Show quoted text -
 
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