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loring, maine 2019 #758320 12/06/18 3:26 am
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kevin roberts Offline OP
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okay, start planning. it's here;

Quote
Loring Timing Association
15 hrs ·
2019 RACE DATES:

Maine Event - Wednesday July 10 - Sunday July 14
Due to the 75% breakage rate the 5 day event has, if we do not have 20 vehicles to run Sunday, the event will end Saturday.

Harvest Event - Thursday Aug 29 - Sunday Sept 1
As above, if we do not have 20 vehicles that can run, we will shut down Saturday.

Please plan accordingly and if you are a weekend warrior, your weekend of racing should probably start Friday.


i like that "breakage" thing. every time they try to make a five-day event, there's like nobody left at the end of day four.

they come up to me, and ask, "are you broken yet?" i say "no."

then they ask, are you going as fast as you think you can? and i say . . ."maybe . . . "

then they say, "let us know when you're broken . . ."


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: loring, maine 2019 [Re: kevin roberts] #758341 12/06/18 12:59 pm
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I believe we're done with Maine...it's a great track but the ride is long and sooo boring...And the 650 bike did what it had to do, ....My race team partner talks about going to the ECTA one mile in Arkansas this summer , he talks about Bonneville...He talks about getting the double engine lump up to it's potential.....................


79 T140D, 96 900M Ducati ....On a bike you can out run the demons..
Re: loring, maine 2019 [Re: kevin roberts] #764602 02/05/19 6:43 pm
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i have just sent tim kelly the entry fees for july and august.

then i called up donna at the russel motel in caribou and reserved rooms, two for 6 days, and two for 5, for the two events.

then i submitted my time off request at work for all that time plus two days travel back and forth on either side, for the two events.

the warehouse is finally warming up above 35 F, so it's getting time to rebuild the race bike.

[Linked Image]


every day you do not take a chance is a day of your life that you will never get back.
Re: loring, maine 2019 [Re: kevin roberts] #776809 06/19/19 1:04 am
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[Linked Image]

everything's done except for the correct sprockets, which should arrive tomorrow. i tried bouncing on the 10-3/8-inch shocks to show my lovely wife how hard the suspension was, and damned near broke my left ischium on the immovable aluminum pan. i've lost 22 pounds of fat to ride this pig, and it seems most of that came off of my over-stuffed ass. so i may go ahead and put the 11-inch shocks back on this thing just to keep from beating my brains out on the seat.

in the meantime, new tires on the girl's 2007 kawasaki:

[Linked Image]

no 130 x 16- inch rear tires are available anymore for the older ninjas with a matching front tire. so the front is a pirelli sport demon front tire, 100/90-16, and the rear tire is another pirelli sport demon front tire, this time 120/80-16 inches. 120/80-16 was the stock rear size for the previous ninjas, and the wheels were unchanged, so it should be good to go.

doing the deadman lanyard as we speak. the little ninja is a production bike, so nothing else needs to be done except taping the headlight and taking the mirrors off.


every day you do not take a chance is a day of your life that you will never get back.
Re: loring, maine 2019 [Re: kevin roberts] #776813 06/19/19 3:13 am
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so who's bringing what?

hmmm?


every day you do not take a chance is a day of your life that you will never get back.
Re: loring, maine 2019 [Re: kevin roberts] #776831 06/19/19 10:44 am
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Still working towards getting the usual junk ready to go. Turnip is Tidy. PRT

Re: loring, maine 2019 [Re: kevin roberts] #776852 06/19/19 3:50 pm
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your stuff is never junk, and your techniques are never usual.

your hornet is not at all usual this time around, if the rumors are correct.


every day you do not take a chance is a day of your life that you will never get back.
Re: loring, maine 2019 [Re: kevin roberts] #776935 06/20/19 12:32 pm
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" the little ninja is a production bike, so nothing else needs to be done except taping the headlight and taking the mirrors off."

Not so fast! The rule book does not exempt production bikes from meeting all the safety requirements, unless it just changed. So axle nuts must be lock wired, battery hold down must be metal, and unvalved fuel lines must be fire-safed, etc. By the way, I still have that fire-safe shielding you gave me a couple of years ago so I'll bring it along if you (or anyone else) needs it.

Tom


Life's uncertain - go fast now!
Re: loring, maine 2019 [Re: kevin roberts] #776938 06/20/19 1:30 pm
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A test of a 2011 Ninja 250 in Cycle World claimed and instrumented top speed of 92 MPH...Are your daughters' going to run it?


79 T140D, 96 900M Ducati ....On a bike you can out run the demons..
Re: loring, maine 2019 [Re: kevin roberts] #776946 06/20/19 3:51 pm
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[Linked Image] [Linked Image]

i could only get 88 mph on the old plugs.i have a jetting kit to richen the pilots, needle position, and mains, but i think i'm out of time.


every day you do not take a chance is a day of your life that you will never get back.
Re: loring, maine 2019 [Re: koncretekid] #776947 06/20/19 3:54 pm
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Originally Posted by koncretekid
" the little ninja is a production bike, so nothing else needs to be done except taping the headlight and taking the mirrors off."

Not so fast! The rule book does not exempt production bikes from meeting all the safety requirements, unless it just changed. So axle nuts must be lock wired, battery hold down must be metal, and unvalved fuel lines must be fire-safed, etc. By the way, I still have that fire-safe shielding you gave me a couple of years ago so I'll bring it along if you (or anyone else) needs it.

Tom


shoot, i forgot the battery and the fuel line covers. both axles already have steel cotter pins. but it has an unvalved tank overflow/vent line.

and i have to remove the rear footpegs.


every day you do not take a chance is a day of your life that you will never get back.
Re: loring, maine 2019 [Re: kevin roberts] #776987 06/21/19 12:31 pm
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I just noticed that although the Production 250/4 record in the 1-1/2 mile is 107.xxx, there is no 1 mile record, so any speed will set the record. Let the girls know they don't need to set the final record on the 1st pass, so they can get used to the side winds which are sometimes present at Loring, especially between the 1 and the 1-1/2 mile traps.

Furthermore, there is no Production 350 record, and Loring generally allows bumping up to the next class, so maybe a couple of records are available. Good luck to them.

Tom

Last edited by koncretekid; 06/21/19 8:14 pm.

Life's uncertain - go fast now!
Re: loring, maine 2019 [Re: kevin roberts] #777015 06/21/19 11:20 pm
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no [***]

they'll like that


every day you do not take a chance is a day of your life that you will never get back.
Re: loring, maine 2019 [Re: kevin roberts] #778426 07/12/19 1:03 am
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oops

blew up my motor. damage still be assessed, but the cases are cracked open from the bottom front case bolt all the way to the jugs.

dunno whether ill have time to put another together by the end of august.

but my number one daughter worked her way up to 102 mph in the mile, and 103 in the mile and a half.

she's bouncing off the rev limiter in top gear now at 14500 rpm.


every day you do not take a chance is a day of your life that you will never get back.
Re: loring, maine 2019 [Re: kevin roberts] #778435 07/12/19 4:13 am
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Sorry about your motor. Hope you can salvage something.


1968 BSA Firebird
1200 HD
XS 1100
1972 Rickman 125
Re: loring, maine 2019 [Re: kevin roberts] #778451 07/12/19 9:43 am
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You're OK, I trust?
Events like that will generally not leave a lot of usable parts.

Re: loring, maine 2019 [Re: kevin roberts] #778453 07/12/19 10:45 am
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im fine

spent some time going up the side track working in the rings, then went out and did an easy run. kept it at 5000 rpm through the mile then opened it up. 95 at the mile, 126 at the mile and a half.

went backand solved a grit ptoblem in a fuel line and then lined up again. opened it up from the start and went through the mile lights at 131. the the bike began to lose power-- no noises-- so i cut the throttle. a second or two later there was a bang and i pulled the clutch and coasted in to the firetruck.

left rod end is protruding through the cases without a cap. gearbox and primary seem okay. no idea about the cams. obviously there was a seizure of som3thing, but ill have to take it apart to see what.


every day you do not take a chance is a day of your life that you will never get back.
Re: loring, maine 2019 [Re: kevin roberts] #778456 07/12/19 11:35 am
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what make of rod?


beerchug
Re: loring, maine 2019 [Re: Allan Gill] #778458 07/12/19 12:04 pm
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MAP

the rod broke after the motor tightened up.

lubrication issue, im pretty sure


every day you do not take a chance is a day of your life that you will never get back.
Re: loring, maine 2019 [Re: kevin roberts] #778459 07/12/19 12:14 pm
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Kevin do you run an oil pressure gauge? It sounds like it ran out of oil in the crank. If it was wide open and running on both and started to slow and lose power, it may have been the bearing in the offending rod grabbing. If it just let go it wouldn't lose power or start to slow first, just go bang, or start to knock then bang. The thing is probably pretty loud to hear slight noises.


My son's 750 A65 has an oil tank I made, and if it isn't pretty full and you accelerate hard enough the oil surges away from the pickup point, it did this to me a few weeks ago and I was gassing it and it started to slow like having a brake on, I backed off saw the gage reading zero and stopped. Let it idle till the pressure came back. Crank and rods were ok and I just put a new set of shells in it. And welded a plate in the tank to trap the oil near the pickup which seems to work.


Great riding from your daughter. Are you allowed to change gearing on the 250?


mark
Re: loring, maine 2019 [Re: kevin roberts] #778460 07/12/19 12:36 pm
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Kevin sent me a text yesterday with a photo of the carnage.. If it's ok I'll post it......From his description over the phone it does sound like a bearing spun ,got red hot, welded itself to the crank and tore off the rod cap...MAP steel rods have an excellent reputation so a rod failure by itself is not likely..Oil pressure gauges are nice to check before the run, but at 130 plus MPH on these old lumps, with your helmet pushed into upper fork yoke,vision blurred by vibration,seeing the gauge isn't an option ...


79 T140D, 96 900M Ducati ....On a bike you can out run the demons..
Re: loring, maine 2019 [Re: kevin roberts] #778461 07/12/19 12:40 pm
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OUCH...


GrandPaul (does not use emoticons)
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Too many bikes to list, mostly Triumph & Norton, some BSA & European
"The Iron in your blood should be Vintage"
Re: loring, maine 2019 [Re: Hillbilly bike] #778462 07/12/19 12:59 pm
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Hill Billy, yea I wouldn't expect it to have an oil gauge, I'd have one and a shift light rather than a tach. I was looking at his oil tank in the photo a couple of days ago wondering how that shape worked under hard acceleration seeing what I'd just been dealing with. Plus it seemed fine on his easy run compared to the blow up run when he ' opened it up from the start' if that's first gear, that's the greatest G force available to move the oil in the tank, once it cavitates the pump it will not pick it up any time soon. It's worth being sure that's not the cause, otherwise it could happen again.


mark
Re: loring, maine 2019 [Re: kevin roberts] #778464 07/12/19 1:10 pm
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Mark, last year Kevin ran probably a dozen flat out runs with the same set up....


79 T140D, 96 900M Ducati ....On a bike you can out run the demons..
Re: loring, maine 2019 [Re: kevin roberts] #778465 07/12/19 1:11 pm
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Kevin there are a few brands that do 130/ 90 x 16 rear tyres which would gear the 250 up a bit if you are stuck with the stock gearing.


Hillbilly I know Kevin has run it before, but more Gs with the take off and less oil level in the tank is what gave us a problem, and if another cause doesn't become apparent it's worth considering. Obviously there are other things that may have caused it.

Last edited by Mark Parker; 07/12/19 1:27 pm.

mark
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