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Kart Track Racer (new video!)

Started by pdxjim, April 21, 2019, 09:46:43 PM

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Seizer

#30
May 24, 2019, 06:08:32 PM
Jim, what cans are those on your pipes? I have a set of home rolled chambers that have the same ones.

pdxjim

#31
May 24, 2019, 06:34:25 PM
Quote from: Seizer on May 24, 2019, 06:08:32 PM
Jim, what cans are those on your pipes? I have a set of home rolled chambers that have the same ones.

Dunno?  I was assuming they are Moto Carrera? 


Wasting time on 2T forums since the dawn of the internet. '89 TDR250, '13 300xcw, '19 690smcr, '56 Porsche 356A

Seizer

#32
May 25, 2019, 12:39:00 AM
Maybe my home rolled are using MC cans 🤷🏻‍♂️

pdxjim

#33
June 04, 2019, 01:57:38 AM Last Edit: June 04, 2019, 02:02:13 AM by pdxjim
Well, that was a helluva lot of fun.

I only made the last 10 minutes of practice on Saturday afternoon.  The bike was running strong, but the brakes were crap.  After the saga of my TDR250 brakes, it was obvious by feel the master was too big for the four piston Brembo caliper we ended up with after the stock caliper and disc of unknown origin failed to play nice together.  We swapped out the Brembo master for the MikesXS one and after bleeding it out, shut down for the night.

Burgers, dogs, a small bonfire in the Weber kettle, a few twelvers of Ranier and lots of new and old friends were the evening activities before camping at the track.

7am wakeup, 8am tech and registration, 9am riders meeting and 9:30-10am practice.  Brake felt MUCH better with the slightly smaller 13mm master. 

Travis got the LeMans start Vintage holeshot from 11th on the starting grid out of 18 bikes.  He was in third position coming out of turn one.

Our Vintage class consisted of four bikes:  a clapped out GPZ550 with one very fast pro racer and two fast clubmates of mine, a SR500 with three fast riders without much race experience, an even more clapped out TS250 with one very fast guy and two good riders ... and us on the RD350.  Three old fat dudes.

(The minibike class was a mix of Ohvale 160s, a CR85 on 17's, a few Groms, and a few Kymco K-Pipes.  Modern class was a KLR650(!), Ohvale 190s, a vj21 RGV250, and a couple Ninja 250s)

Anyway, the GPZ550 was pretty fast, and the skilled riders took them to the lead pretty quickly.  We had the SR and TS handled without too much effort.  The GPZ was fast, but was plagued with two or three big crashes that chewed up a bunch of laps and got us out in front.

Right before halftime one of our riders went down on the left side and mangled the shift gear.  We cobbled together a repair out of random spare parts during halftime, and luckily we didn't lose any laps.

At hour five, our fuel tank split a seam and during a rider swap we noticed it dumping fuel on the hot engine.  We pulled the tank and patched it up with JB Quick, but lost about 20 laps in the process.

Final finish was SR500 in first, TS250 in second and us in third.

Total for the day was 6 hours racing, 348 laps, 208.8 miles, 13 gallons of gas and a whole shitload of fun!





More pics can be found here:  https://drive.google.com/open?id=1u7EgWI7z8lNNDdbOQVQVfgx5OwDE7RHn

Wasting time on 2T forums since the dawn of the internet. '89 TDR250, '13 300xcw, '19 690smcr, '56 Porsche 356A

tony27

#34
June 04, 2019, 03:08:18 AM
Sounds like a heap of fun

pdxjim

#35
June 04, 2019, 11:28:05 AM
Wasting time on 2T forums since the dawn of the internet. '89 TDR250, '13 300xcw, '19 690smcr, '56 Porsche 356A

pdxjim

#36
June 04, 2019, 02:51:28 PM
Massive credit due to Garrett GRA400c Amner.

No way we could have pulled this off without him.  Garrett helped source parts, skimmed/doweled/o-ringed the head, ported/bored/and modded the cylinders to fit the Vforce reeds, rebuilt and trued the crank, sourced/milled/jetted the carbs, made us a custom throttle cable, milled a custom disc adapter, and a bunch of other random sh!t we needed to get this thing around the racetrack.

Great prices, great communication and lightning fast turnaround!  Thank you Garrett!
Wasting time on 2T forums since the dawn of the internet. '89 TDR250, '13 300xcw, '19 690smcr, '56 Porsche 356A

SoCal250

#37
June 08, 2019, 12:21:14 AM
:cheerleader: Awesome!

Plans for doing it again next year? You've got the platform and it's already sorted.  :vroom:
75 Yamaha RD125B   75 Yamaha RD125B (project)
75 Yamaha RD250B   75 Yamaha RD200B (project)
73 Yamaha RD350     77 Yamaha RD400D   79 Yamaha RD400F  
91 Yamaha TZR250R  89 Yamaha FZR400   05 Yamaha FZ6   
05 Yamaha XT225TC  82 Honda MB5  02 Aprilia RS250 Cup (sold)

pdxjim

#38
June 09, 2019, 01:22:26 AM
Quote from: idr5c on May 13, 2019, 06:25:40 PM
Looks like fun! I really need to stop being lazy, prep my old IT175 roadracer with some friends, and run it!

You would have done well! 

Small bore class was won by a Kymco K-Pipe  :whistle:

It was gutless and slow as sh!t on the straights, but on sticky roadrace slicks it was fast thru the corners.

Wasting time on 2T forums since the dawn of the internet. '89 TDR250, '13 300xcw, '19 690smcr, '56 Porsche 356A

pdxjim

#39
June 09, 2019, 01:27:19 AM
Quote from: SoCal250 on June 08, 2019, 12:21:14 AM
:cheerleader: Awesome!

Plans for doing it again next year? You've got the platform and it's already sorted.  :vroom:

We will see, Russ.  It was a ton of fun.

The bike is actually owned and the build was financed by a guy on a rival team.  He gave our team the option of building an RD350 or GPz550.  We chose the RD.  He paid for all the parts and machine work, and we did all the legwork and labor.

A few weeks before race day, he decided to run the GPz as well. 

They would have likely won it if they had managed to stay on the track.
Wasting time on 2T forums since the dawn of the internet. '89 TDR250, '13 300xcw, '19 690smcr, '56 Porsche 356A

GRA2STROKES

#40
June 09, 2019, 10:49:00 AM
Thanks for the awesome words Jim! Was a lot of fun helping you guys out and a great feeling with the first (race) engine out the door with such great success! Very exciting for me.

Post up some videos so we can here it sing it's song!

Garrett

retaRD

#41
June 09, 2019, 11:13:59 PM
Quote from: GRA400c on June 09, 2019, 10:49:00 AM
Thanks for the awesome words Jim! Was a lot of fun helping you guys out and a great feeling with the first (race) engine out the door with such great success! Very exciting for me.

Post up some videos so we can here it sing it's song!

Garrett

I feel like we might know each other..

Man this is the kind of racing I yearn for here.  Looks like y'all had a ball.

GRA2STROKES

#42
June 16, 2019, 08:10:43 PM
Where abouts do you live? I'm in Vancouver wa just above Portland.

Garrett

pdxjim

#43
June 16, 2019, 08:17:30 PM
Quote from: GRA400c on June 16, 2019, 08:10:43 PM
Where abouts do you live? I'm in Vancouver wa just above Portland.

Garrett

retaRD Nathan is just outside Knoxville TN.

Interestingly, he grew up in San Diego with Travis who is on the Kart Track Racer team.

The more you know.
Wasting time on 2T forums since the dawn of the internet. '89 TDR250, '13 300xcw, '19 690smcr, '56 Porsche 356A

pdxjim

#44
June 18, 2019, 07:04:48 PM
Video from race day!!

https://youtu.be/dcKS1wM16Uw
Wasting time on 2T forums since the dawn of the internet. '89 TDR250, '13 300xcw, '19 690smcr, '56 Porsche 356A
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