Seller Said This Dirt Bike Has a Horrible Bog

I buy a 1995 Honda Cr250 dirt bike with a bad bog. Let's fix it. #Honda, #2stroke, #Fix,

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[qacomputers]

spray starting fluid where the JB weld is while holding the throttle at a steady RPM and see if it revs higher due to a leak and sucking air...

[stevefirth]

Before you tear anything down, check the power valve. That's what it sounds like to me.

[OldmanADV]

check pipe, to make sure there is no obstruction ! I had this issue with a 2001 cr250

[dougaranda]

Since re-jetting didn’t have much effect, I wouldn’t rule out electrical just yet. Just because the spark plug checker shows a plug is ok, that doesn’t mean the other components aren’t breaking down.

[steveaustin]

Take your pick of which to tackle first:

1. Crank seal
2. Power valve
3. JB weld

[bennyfred]

Just fought a similar battle on a 2000 KTM with a Keihin carb. Hours of swapping jets. Long story short, it was the carb. Found an OEM (not Chinese replica) and it instantly solved the problem.

[-Sunny--]

This channel is like meditation for men!

[ronsherfy]

Do a leak down test first and while doing so spray soapy water around the jb weld case repair. Check power valve for excessive carbon build up or possibly worn or broken power valve. Silencer may need cleaned and re packed. Clean up all ground contact points on the frame. Had a bike years ago with a bad port job done by a goon that acted just like this. Rule out the above mentioned before tearing it down. Good Luck! It’s a good looking bike!

[Wantobefit]

You beat me to another bike, had this one saved on Market Place myself and was pondering about purchasing. Awesome find and enjoy the videos.

[MikeinOregon]

I REALLY like that bike... I can see why the previous owner was frustrated with it.
Like you, I would have started with the carb, but after seeing the air screw only turned
out 1/4 turn and inspecting the carb, I would have checked the power valve.
I would certainly check it before resorting to completely tearing down the engine because
it has decent compression and visually everything looks good.

[travisconover]

My buddy's yz 250 sounded like that, and to find out it was a partially clogged silencer.

[poorsob]

If this year still has the exhaust power ports, they might be carboned up and sticking. Definitely worth cleaning those and putting stock jets back in. Check the muffler packing too. I have a 1989 that I bought new. Still runs like a champ. Original everything if you can believe it. I love it!

[TheHowitz]

Man i'm stoked you're making this video. I have a 97 that has a similar problem. I replaced the right side crank seal with no improvement.

[kellerchappell]

Just wanted to say that I love the videos Joe. I am 15 and have always had a passion for working on these machines. I have 2018 Suzuki drz 125l and I enjoy upgrading it. Ive been consistent watching for a few years and have picked up on quite a few things🤙

[thebigguy]

Ol' Joe loves his dirt bikes. Nice looking cycle, a very popular/big seller, now let's tear it apart. Lots of teaching/learning moments

[mikespak]

Do a crankcase leak down test, check power valves and check for exhaust restriction.

[JonRoundtree-mugb]

Mid range bog=power valve sticking or misadjusted. Set the power valves up right and try a 170-175 jet. You should solve it that way.

[gutsngorrrr]

This was one of my all time favourite bikes I've owned.

[arrobrewer]

I'm amazed at how many times you miss 2nd 😊

[leewaken]

Never cared for the "95" purple. I had a new 94, which was gorgeous. Either way, this was a nice score on your behalf.👍🏼
With some patience, this bike will return a hefty sum at some point. Detail the hell out of it and keep it in the showroom
condition that it is.