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Re: mail-order LSR [Re: kevin roberts] #773825 05/15/19 7:31 pm
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kevin roberts Offline OP
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but i just got the rear back from the machinist, set up for another of the skinny tires:

[Linked Image][Linked Image][Linked Image][Linked Image]

so we'll put it together as soon as i can and see about sprockets. these are ordinary 17-inch superbike wheels, anyway, so if the skinny tire doesn't work on the rear i can get a fatter one with no difficulty


every day you do not take a chance is a day of your life that you will never get back.
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Re: mail-order LSR [Re: kevin roberts] #773826 05/15/19 7:35 pm
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kevin roberts Offline OP
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. . . and what about this?

[Linked Image]

hmmm?



every day you do not take a chance is a day of your life that you will never get back.
Re: mail-order LSR [Re: kevin roberts] #773834 05/15/19 9:16 pm
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Allan Gill Offline
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Looks like Toms fitting the front mudguard streamliner off the Shuttleworth Snap


beerchug
Re: mail-order LSR [Re: kevin roberts] #773839 05/15/19 9:47 pm
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kevin roberts Offline OP
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worse for me than that-- that's a fuel cap on top of the tail section. michael is lying down right on the frame tube-- there's no tank ahead of the rider. the rider position is like mine.

shocked shocked shocked


every day you do not take a chance is a day of your life that you will never get back.
Re: mail-order LSR [Re: kevin roberts] #773904 05/16/19 11:58 am
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Getting serious.


1968 BSA Firebird
1200 HD
XS 1100
1972 Rickman 125
Re: mail-order LSR [Re: konon] #773953 05/16/19 11:15 pm
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Originally Posted by konon
Getting serious.


Oh, it's been serious..and now it's becoming a lot more expensive....


79 T140D, 96 900M Ducati ,2001 Sportster....On a bike you can out run the demons..
Re: mail-order LSR [Re: kevin roberts] #773956 05/17/19 12:14 am
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it's the last four miles per hour that cost as much as the previous 100.


every day you do not take a chance is a day of your life that you will never get back.
Re: mail-order LSR [Re: kevin roberts] #773958 05/17/19 12:53 am
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127 to 133 cost a set of V rated tires,a 19 inch rear wheel ,sprocket and home made tube fuel tanks. Changing cam timing and cutting a few inches off the pipes was free.... I don't believe the tube fuel tanks added much if at all to the speed...


79 T140D, 96 900M Ducati ,2001 Sportster....On a bike you can out run the demons..
Re: mail-order LSR [Re: kevin roberts] #773982 05/17/19 9:57 am
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the biggest single change in speed that i had came from cam timing. everything else i had done to that motor was waiting for 106/109 before it came together. i'm happy with the horsepower. at this point i think it's all wind.

139 is only 4 mph away. thats the fastest any minimal 650 has ever gone without nitromethane.


every day you do not take a chance is a day of your life that you will never get back.
Re: mail-order LSR [Re: kevin roberts] #773987 05/17/19 10:51 am
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Loring Maine is a tough track because of the wind.... It can turn from a tail wind to head wind while you are running down the track...


79 T140D, 96 900M Ducati ,2001 Sportster....On a bike you can out run the demons..
Re: mail-order LSR [Re: kevin roberts] #773990 05/17/19 12:17 pm
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kevin roberts Offline OP
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yep. got to be there for when it all lines up.

every speed record had a tailwind.


every day you do not take a chance is a day of your life that you will never get back.
Re: mail-order LSR [Re: kevin roberts] #773992 05/17/19 12:32 pm
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Originally Posted by kevin roberts
yep. got to be there for when it all lines up.

every speed record had a tailwind.

Yup, but no one will admit to it....LOL.....To be honest the 125 mph record I had at Ohio was a very humid warm day with no wind..the 127 at Maine was the same. The 133? You were there, the wind was changing direction constantly but I suspect the wind was a factor because later Lyjha ran a 131 in the fuel class for the record and supposedly it was more calm..
The 2001 Sportster is on my work platform getting checked over and maintenance before I ride it on the street for the summer...During the winter I will make the decision on LSR for the lump...


79 T140D, 96 900M Ducati ,2001 Sportster....On a bike you can out run the demons..
Re: mail-order LSR [Re: kevin roberts] #774000 05/17/19 2:54 pm
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kevin roberts Offline OP
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i had a hurricane blowing up my ass to get 135.

but when i get it again i want to be ready to go faster than that.

. . . what sportster is this? you didnt have a sportster.


every day you do not take a chance is a day of your life that you will never get back.
Re: mail-order LSR [Re: kevin roberts] #774009 05/17/19 3:50 pm
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Oh, I bought a 2001 883 Sportster on Monday....$1700 ,new tires and looks very nice but needs a few minor repairs..Handles , goes and vibrates like a 60 pound heavier OIF Triumph...Has the stock well muffles stagger dual pipes...I hate the Harley sound, going to put a two into one for the Buell sound....If I have money this winter I will build a competition engine for the MPG1000 class...

[Linked Image]


79 T140D, 96 900M Ducati ,2001 Sportster....On a bike you can out run the demons..
Re: mail-order LSR [Re: kevin roberts] #774017 05/17/19 5:52 pm
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kevin roberts Offline OP
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cool!

build it even if you dont have money.


every day you do not take a chance is a day of your life that you will never get back.
Re: mail-order LSR [Re: kevin roberts] #774026 05/17/19 7:00 pm
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Allan Gill Offline
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Originally Posted by kevin roberts
cool!

build it even if you dont have money.


That was my philosophy for years.... still kinda is, doesn’t get me very far though.


beerchug
Re: mail-order LSR [Re: kevin roberts] #774063 05/18/19 12:33 am
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kevin roberts Offline OP
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eat less.

buy more motorcycles.

i say that, but i'm at the point where i don;'t have the time to keep them all running.


every day you do not take a chance is a day of your life that you will never get back.
Re: mail-order LSR [Re: kevin roberts] #774066 05/18/19 1:25 am
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I put the 32MM Mikuni flat slides on my T140D....Direct swap on the Triumph rubber intake connectors and the cables also fit..#20 pilot,5fp17 needles..I forgot to get main jets, the TM's come with silly big jets...I used a set of 210's that are just a bit lean on my 650 race bike because that's the smallest I had...Starts up instantly, can be idled down slower and smoother....On the road it felt good except when going past 1/2 throttle with a load....Way rich like blubbering then it clears as the engine winds out but it still feels rich...usual main jet for something like this is 160 or so I believe....I think the way rich main jet is affecting the part throttle over 1/2...


79 T140D, 96 900M Ducati ,2001 Sportster....On a bike you can out run the demons..
Re: mail-order LSR [Re: kevin roberts] #774088 05/18/19 8:46 am
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Not a JAP. But close.....

Re: mail-order LSR [Re: kevin roberts] #774122 05/18/19 9:32 pm
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kevin roberts Offline OP
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are you sure it's not needle taper?

okay at low throtle but rich above 1/2 throtttle sure sounds like needle taper to me.

try dropping the needle and see if it gets any better.

but sure the huge mains they come with would be doing that. i've never bought a mikuni that would even run with the jets that came in it. needles and pilots are usually close, but needle jets and main jets are silly rich.

Last edited by kevin roberts; 05/18/19 9:47 pm.

every day you do not take a chance is a day of your life that you will never get back.
Re: mail-order LSR [Re: kevin roberts] #774134 05/18/19 10:56 pm
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I have to get some smaller mains, like 160, and do that first I think... I say 1/2 throttle but it could be a bit more...you know, drilling down the rural roads at speed you need to look where your going and not at the throttle, lol...The 5FP17 needle is about the leanest of the 5 series needles if I'm reading the charts correctly..must be the needle jet or the influence of the main jet...


79 T140D, 96 900M Ducati ,2001 Sportster....On a bike you can out run the demons..
Re: mail-order LSR [Re: kevin roberts] #774137 05/18/19 11:06 pm
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do the TMs use the same mains as the VMs? sudco has upgraded their catalog and i can no longer access it.

i used 180s for a long time at 1300-4000 feet, then went to 210-220 on a 32 or 34 VM at 1200 feet.

RAD right now, right here, is exactly 100 percent.

i have a little quarter-mile one-lane gravel road down in the creek bottom i can tune on. as long as the potholes have been recently filled, i can get to 70 mph for about 2 seconds on it. not really much good for mains, but i can do decent runs on slides, needle jets, and needles. i just have to watch oit for 80,000 pound oil rig traffic.


every day you do not take a chance is a day of your life that you will never get back.
Re: mail-order LSR [Re: kevin roberts] #774138 05/18/19 11:55 pm
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Same main jet, the long hex.. I think TM's may use a slightly smaller main jet...Maybe I need 180's and drop the needles and see what happens..The chart info is confusing and shows needle jets available for a TM 32 are Q0-R8...But it also appears that P type needle jets can be used? I have no doubt the jetting will be sorted out in a few moves.. The Turdster and Triumph are being worked on at the same time...I'm very busy...lol


79 T140D, 96 900M Ducati ,2001 Sportster....On a bike you can out run the demons..
Re: mail-order LSR [Re: Hillbilly bike] #774139 05/19/19 12:02 am
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159-Q0 came with my new 34 VMs. would. not. run.

i use 159-P4.


every day you do not take a chance is a day of your life that you will never get back.
Re: mail-order LSR [Re: kevin roberts] #774142 05/19/19 12:46 am
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Looks like for the TM32, the P2 needle jet with a 5FP17 needle and 170 mains are good choice for a typical 650-750 BMW airhead....Triumph has about the same power so it should be close to the same..


79 T140D, 96 900M Ducati ,2001 Sportster....On a bike you can out run the demons..
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