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What you do to your MC today?

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Rttoys

Red Skull
Joined
May 19, 2020
Messages
798
Loc
Waller, TX
Bikes are hard to drag race. Way to easy to screw up, especially at the launch. I did a few “test and tune” nights at Houston raceway park, way back in the day and had to take it easy on the start, just so I wouldn’t loop it. Good runs though. :smokin:
 

redneckK20s

Well-known member
Joined
Nov 11, 2020
Messages
1,116
Loc
Farber, MO
Thanks, a bunch of drama went down at the track that delayed everything about two hours so I only got the three passes. I'm shocked how much better the bike hooks on the rubber, I expected it to be like grease so I definitely need more practice launching.

The damn shifting is a pain in the ass. I know they design it to last a million miles but it really sucks to shift at high RPM. I'll adjust my shifter down further next time to see if it helps.
 

redneckK20s

Well-known member
Joined
Nov 11, 2020
Messages
1,116
Loc
Farber, MO
GP shift is much better. :smokin: I thought I would hate it when I started doing track days, but found it a lot easier to shift.
Unfortunately don't have room to flip the linkage on the Wing or I'd seriously consider it, I'm always dragging toes downshifting while leaning.
 

Gots_a_sol

Well-known member
Joined
May 21, 2020
Messages
828
Loc
Bunker Hill, WV
Smoked the clutch in the YZ at the most local race the series I'm following gets to me :mad3: It had been fine prior but halfway through the 1st lap it started slipping and just got worse the longer I went on.

I was able to get 3 laps in (AA guys did 5, top 30B did 4) but annoyingly got passed for 8th in class, which would have been my best finish in this series, on the last hill as I wasn't watching far enough ahead and committed to the steep line instead of the sweeping around the outside/less steep/longer option and didn't make it up due to said clutch slippage. ****. So frustrating.


Shopping for clutches now. Looks like I can get an oem Yamaha kit with steels, frictions, and springs for a little over a hundo.
 
Last edited:
Joined
Sep 9, 2021
Messages
6,583
What brand clutch?

I had a barnett in my 300. Noisy..omg was it loud. Get it slipping hard and it would chirp and squeal :laughing: like the guys you were passing on a hill could hear it:lmao:

Ktm dealer was always pushing the moose stuff.

I stuck a hinson in and never looked back.

I think these were off a tusk clutch pack. I'm not nice to a clutch. But never seen the tabs peen over like that

1000008644.jpg
 

Gots_a_sol

Well-known member
Joined
May 21, 2020
Messages
828
Loc
Bunker Hill, WV
What brand clutch?

I had a barnett in my 300. Noisy..omg was it loud. Get it slipping hard and it would chirp and squeal :laughing: like the guys you were passing on a hill could hear it:lmao:

Ktm dealer was always pushing the moose stuff.

I stuck a hinson in and never looked back.

I think these were off a tusk clutch pack. I'm not nice to a clutch. But never seen the tabs peen over like that

1000008644.jpg


The bike had a Rekluse in it with their clutch bits but I took that out as soon as I got home and put the frictions/steels that were in a zip lock baggie in a parts box back in. So no idea what they were :laughing:
 

CarterKraft

Thread ****ter Upper
Joined
May 21, 2020
Messages
5,935
Loc
Taco Time Mexican Grill
Anyone have a suggestion for safe cylinder head temp on a air-cooled 2 stroke 80?

I need to get my jetting game dialed in and a cylinder head temp gauge seems like a good idea to have to warn me of impending doom.

I hear 330* F is a good starting point.
 

redneckK20s

Well-known member
Joined
Nov 11, 2020
Messages
1,116
Loc
Farber, MO
Forgot I installed the shinko front on Friday before the races. First commute this morning, the profile is definitely flatter. Went into the first right hander at my normal speed and ended up touching down an engine guard. Gonna have to replace my RH footpeg again, I ground it down bad this morning.
 

redneckK20s

Well-known member
Joined
Nov 11, 2020
Messages
1,116
Loc
Farber, MO
Got a 3 day weekend with no plans, debating on trying to do a maximum mileage run and see how far I can get in a 12 hour day. Going to try to hit all the states bordering Missouri because why not. Routed out 700 miles to hit IL, IA, NE and KS all in the same day.

Installed foot pegs set number 3. The RH side got leaned on pretty hard.
 

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redneckK20s

Well-known member
Joined
Nov 11, 2020
Messages
1,116
Loc
Farber, MO
Next day I think I can head straight down to TN and KY, then the third day hit AR and OK. Should end up being 6-700 miles per day, which is a lot but should be manageable.
 

Gots_a_sol

Well-known member
Joined
May 21, 2020
Messages
828
Loc
Bunker Hill, WV
In preparation for new clutch kit showing up, decided to pull the old one today.

Spec is 2.70-2.90, min 2.6 on the frictions and 1.5 on the steels.

PXL_20260523_235528876.jpg


PXL_20260523_235541552.jpg



So that all checks out in spec. Rut roh. Note the shiny ring on the inside of the last friction

PXL_20260523_235715884.jpg



Inner hub is smoked

PXL_20260523_235215651.MP.jpg


Pressure plate has a lip too

PXL_20260523_235223403.jpg





FML. Now I get to order those also and hope they arrive by Saturday for a race on Sunday.
 

CarterKraft

Thread ****ter Upper
Joined
May 21, 2020
Messages
5,935
Loc
Taco Time Mexican Grill
In preparation for new clutch kit showing up, decided to pull the old one today.

Spec is 2.70-2.90, min 2.6 on the frictions and 1.5 on the steels.

PXL_20260523_235528876.jpg


PXL_20260523_235541552.jpg



So that all checks out in spec. Rut roh. Note the shiny ring on the inside of the last friction

PXL_20260523_235715884.jpg



Inner hub is smoked

PXL_20260523_235215651.MP.jpg


Pressure plate has a lip too

PXL_20260523_235223403.jpg





FML. Now I get to order those also and hope they arrive by Saturday for a race on Sunday.
Just double up a steel on the bottom?
 

Gots_a_sol

Well-known member
Joined
May 21, 2020
Messages
828
Loc
Bunker Hill, WV
In preparation for new clutch kit showing up, decided to pull the old one today.

Spec is 2.70-2.90, min 2.6 on the frictions and 1.5 on the steels.

PXL_20260523_235528876.jpg


PXL_20260523_235541552.jpg



So that all checks out in spec. Rut roh. Note the shiny ring on the inside of the last friction

PXL_20260523_235715884.jpg



Inner hub is smoked

PXL_20260523_235215651.MP.jpg


Pressure plate has a lip too

PXL_20260523_235223403.jpg





FML. Now I get to order those also and hope they arrive by Saturday for a race on Sunday.

Well it's already ****ed so maybe I'll chuck it in the lathe and skim it off flat so I can measure it out to see if that could work.

Not sure there is enough meat in it to get another 1.50mm of steel in there though.
 

Gots_a_sol

Well-known member
Joined
May 21, 2020
Messages
828
Loc
Bunker Hill, WV
Pulled the hub and that won't work. The pockets the steels engage in bottom out about 2mm before the surface that is worn so you have to have a friction in there.

Also not a lot of extra material to turn it off smooth.

There just isn't enough tolerance to cram in an extra anything in the pack without modifying a bunch of other parts which isn't worth it in the end.

New OEM parts are about $160. Fancy GYTR billet parts are about $400.
 

KrustyTJ

Red Skull
Joined
May 20, 2020
Messages
389
Loc
Michigan
Rode the “Collarbone” up north Saturday.
We had 21 riders (and maybe 25 machines?….a few spare)
No human injured, but one 250r locked up.
IMG_5495.jpeg
Was the general lee recently picked up seen one similar for sale midland area maybe . Great looking line up 👍
 

JayMcJay

Well-known member
Joined
Jun 5, 2020
Messages
863
Loc
West Michigan
Was the general lee recently picked up seen one similar for sale midland area maybe . Great looking line up 👍
Yep, it was floating around on FBMP here in Michgan in the last few months. He got it for $2k and then put another $1500 into it I think I heard him say.
Nearly all of those machines were picked up here and there across Michgan in the last couple months. My buddy sorta dreamed I the idea and then set to work buying up machines and recruiting friends and family to buy them and ride them. I have had mine a few years now, it’s the crappiest one of the bunch. But it ran just find the whole time.
The busted headlight earned me a ticket though….
 

75cruisin

Red Skull
Joined
Nov 16, 2021
Messages
201
Got a 3 day weekend with no plans, debating on trying to do a maximum mileage run and see how far I can get in a 12 hour day. Going to try to hit all the states bordering Missouri because why not. Routed out 700 miles to hit IL, IA, NE and KS all in the same day.

Installed foot pegs set number 3. The RH side got leaned on pretty hard.
Ill just drop this here...https://www.ironbutt.org/
 

Wisconsinite

Red Skull
Joined
May 19, 2020
Messages
1,251
Loc
Milwaukee, WI
It was a nice morning, and I hopped on the husky to run to the gas station a mile down the road, and didn't wear a helmet. I never really ride without a helmet, but I did this time as it was nice and a slow ride to my destination. My bike sounded funny, like it had an exhaust leak....

1779809526400.png


Need to order a packing kit.
 

CarterKraft

Thread ****ter Upper
Joined
May 21, 2020
Messages
5,935
Loc
Taco Time Mexican Grill
Yep, it was floating around on FBMP here in Michgan in the last few months. He got it for $2k and then put another $1500 into it I think I heard him say.
Nearly all of those machines were picked up here and there across Michgan in the last couple months. My buddy sorta dreamed I the idea and then set to work buying up machines and recruiting friends and family to buy them and ride them. I have had mine a few years now, it’s the crappiest one of the bunch. But it ran just find the whole time.
The busted headlight earned me a ticket though….
A cop gave a gaggle of 3 wheelers a ticket for a headlight? :rainbow:
 

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