Blackjack31's Forum Activity

New thread 2003 kx125 triple clamp 8/2/2021 9:14 AM

Looking for a bottom triple clamp for a 2003 kx125. Will buy both. Also, possibly a subframe. Depending on how straightening mine out goes.

This forum thread has 8 replies.

New thread Yz250 Head Pitting 12/20/2020 5:40 PM

Pulled my head off because the owner before raised the compression which has cause me to buy a lot of race gas and I’m tired of buying it and so I am planning to get my squish set for pump gas. There are some pitting marks alongside the intake side of

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This forum thread has 29 replies.

New thread Yz250 linkage slop 11/20/2020 6:42 PM

So I know there are 20 threads on this but I can’t find any that show a fix for this. Linkage slop where the knuckle bolts to the swingarm. There’s a lot of slop right now. I can put brand new bearings in linkage and upper shock and it will get a little ... more »

This forum thread has 4 replies.

New thread 2017 yz125 mystery case bolt 11/12/2020 8:29 PM

Anybody know what goes here?in the threads. I can’t figure it out. I’ve checked manual and parts diagram with no luck

This forum thread has 3 replies.

New thread Yz250 pipe bang? Jetting? 10/15/2020 9:23 PM

Have a 2013 yz250. When warming the bike up it will start idling back down and sometimes it will do a “bing” sound and continue to idle down. I know that is a terrible explanation but it’s hard to describe. It doesn’t sound bad but it just doesn’t sound ... more »

This forum thread has 10 replies.

New thread 2003 yz125 clutch not engaging 10/3/2020 6:42 PM

A kid I know has a 2003 yz125 and the clutch has no tension to it. I can take the clutch arm (disconnected from the cable) and turn it with one finger. He said he put new clutch plates in and new springs. The kit is for a newer modeled yz125. It feels ... more »

This forum thread has 2 replies.

New thread Yz250 false neutral 9/20/2020 4:03 PM

I was racing today (woods racing) and in a field section I went to shift up and hit a false neutral. I shifted down and it was kind of hard to shift down. Well I was nervous about it so I left it in 3rd for as long as I could until I had to switch again. ... more »

This forum thread has 8 replies.

New thread 2016 yz250f won’t stay running 6/15/2020 8:18 PM

Just bought a used 2016 yz250f. Guy said it kept cutting out and shortly after cut off. It then crunk back and he rode it to the trailer and it was doing the same thing and then died again. Well tonight when I went to buy it, it crunk up and idled for ... more »

This forum thread has 17 replies.

New thread 1988 cr125 rim size and compatibility? 4/7/2020 6:26 PM

Have a 1988 cr125 l. The rear wheel that came with the bike will not go on. It also has a silver hub instead of black. Pretty sure it’s not the correct size. I could always run the wheel spacers on a lathe and shave them down to fit but I would rather ... more »

This forum thread has 1 replies.

New thread Yz250 5th gear neutral 3/13/2020 7:30 PM

Just rebuild my bike and was riding down the road and making sure transmission was shifting right and 1-4th shifted like butter but when I went to shift into 5th it would hit neutral and I would have to put more force into getting it to shift. When it ... more »

This forum thread has 30 replies.

New thread Looking for a yz250 case 2/28/2020 6:52 PM

Have posted on here about my case issue. Deciding just to replace it instead of rigging it up. Looking for the left side. I have checked eBay and can’t find anything that is worth buying for a reasonable price. Will pay for shipping of course. Let me ... more »

This forum thread has 21 replies.

New thread Yz250 transmission bearing not in completely 2/23/2020 4:35 PM

A couple weeks back I posted about cracking my case installing a transmission bearing. Well a very reputable shop welded it back and installed the bearings for me and said it was good to go. I was looking at them and noticed the countershaft bearing ... more »

This forum thread has 11 replies.

New thread Yz250 compression adjuster 2/17/2020 10:14 AM

Took my rear shock apart to change oil. Can’t remember how the compression Adjuster was put together. The valve stack is the farthest into the shock I know that. And obviously the compression bolt is farthest out of shock. There’s a spring, small washer,

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This forum thread has 4 replies.

New thread Yz250 reeds question 2/12/2020 2:55 PM

Have a vforce 3 reed cage. Have heard to take the metal spacer off and bolt it directly to the cylinder? Good or bad thing to do? Also, there is an o-ring between the air boot and the reed cage. A gasket only goes against the cylinder and reed cage right? ... more »

This forum thread has 4 replies.

New thread Yz250 cross hatching getting wore on cylinder 2/8/2020 1:42 PM

Title explains it. What are my options? This was after a green scotchbrite and cleaning the bore. I’ve heard you can still run them but I just replaced everything in the motor for maintenance and im Not trying to have it last 10 hours and then grenade.

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This forum thread has 6 replies.

New thread 2011 and up yz250 crankcase 2/6/2020 9:16 AM

Looking for the left side (stator side). Let me know if you have one that I could buy.

This forum thread has 3 replies.

New thread Countershaft bearing installed crooked (yz250) 2/5/2020 11:12 PM

Went to install my countershaft bearing and it didn’t go in all the way with the sweating method. Well I have a press and decided I would just press it in. Well the stator case half is not level so I put a piece of aluminum where the sprocket would go.

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This forum thread has 9 replies.

New thread Yz250 brake problem? 1/19/2020 12:45 PM

When I sit on the bike and completely pull the front brake lever in, I can still move the tire slightly back and forth. It has a “notching” type feeling. Almost like when your steering stem bearings are bad or front wheel bearings. Both are good. It’s ... more »

This forum thread has 7 replies.

New thread Replace transmission bearings? 1/13/2020 8:09 PM

This winter I will rebuild my yz250 motor. Should I replace my transmission bearings as well? Bike doesn’t have an hour meter but if I had to guess I would say it has 75ish hours. MAYBE 100. Also, while the engine is apart I’m going to clean the cases. ... more »

This forum thread has 5 replies.

New thread Walnut shell blasting? 1/4/2020 8:15 AM

Anybody blasted there engine cases with walnut shell? My motor will be completely disassembled and want to clean them up. They have no oxidation or anything major but just look a little grungy. Don’t want to send them off and pay $100 for vapor blasting. ... more »

This forum thread has 12 replies.