XR250R Top End Tear Down (How To Remove Cam Shaft)
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- เผยแพร่เมื่อ 2 ต.ค. 2024
- This is a 1986 XR250R I am rebuilding for a friend of a friend I guess you can say.
In case you need to know any specs of this engine they will be listed in the comment section below.
Thanks for watching.
Part 2 - th-cam.com/video/xLrkQvfOLQw/w-d-xo.html
Any Kiwi teenager worth his salt rode an XR in the early to mid 80s, they were road legal here in NZ, as were TTs ITs PEs etc. You could get your full license at 15 back then and i had an old twin shock 79 XR 250. About 2 months before my 16th all the money i'd saved from my weekend job plus Dad loaning me the rest, and i was the proud owner of a 82 XR 500. The one with the white number boards, On a friday night outside the burger bar in my small town there would be at least a 15 bike row of mainly XRs but some TTs and maybe the one weirdo on a Suzuki TS185 ER. :-) There was this wacky law that if the Traffic cops were chasing you, and you made it to your house, there was nothing they could do, they couldnt come on your property or fine you. It made for some exciting rides, and very pissed off grudge holding traffic cops. :-) Happy days.
hahah Dang, the 80's sounds like a lot of fun! I was born early 90's unfortunately. Thanks for sharing the cool story!
Brilliant video, thanks for sharing. We’ve just started tearing our engine down on an arson rebuild and the little tips you’ve shared here have already saved me hours of pain!
Awesome glad to hear that I helped you! Sorry TH-cam for some reason TH-cam doesn't tell me I got any comments.
13:47 thanks so much for this tip. I've been swearing at that bolt for the last 20 minutes!
Yep it can be very tricky! lol
Amazing man, your video help me a lot thanks for sharing.
Glad to hear it!
I pulled the shock out, then the air box and the the carbs came out without too much trouble. It takes more time but I ended up with more room to work and less busted knuckles.
Wow great idea!
Great video. At 13:46, That's a cool trick. My question is: If you don't have the honda tool for the head/base bolts, how do you torque them when you reinstall?
Just snug them down and do and a 1/4 turn.
You did a great job explaining things. The reason those rockers are cooked is friction caused by oil starvation and/or upgraded valve springs. Too much pressure on soft OEM rockers but more likely oil starved
Thanks! And yeah i believe it was starved of oil.
Overheating too. These engines were known for running too hot.
Great video Helped a lot
hello im have open my moto and inside piston 75mm and for shop frenche nevers see this im intresting buy new piston ring and pin 75mm and pin 17x60mm can you help me please
Great helpful video...Can't wait to see 2nd part
It's already on My Channel. Thanks for watching. Check out my Latest Videos too!
This video is great, Will definitely be a help when assessing my dads seized up 85 xr250r.
Thanks for watching! I'll have a Part 2 in a week or so! Glad to hear it helped, that was my plan.
TRX Tech Awesome! Any advice for getting the cam gear off with my seized engine? I won’t be able to turn it to access the other bolt. Not sure what I’m going to do when I get to that part.
oofee leelee Good question... I'd say Since you have to rebuild the bottom end anyways cut the timing chain with a cut off wheel on a grinder.
im have honda xr 250 19986 in frenche but not complet and one 1989 good motor complet new
Exact same problem I have. Rocket is chewed.
Yep, a lot of people seem to miss the play in the Rockers and then will just get rid if the bike.
How did you fix the rocker? Replace it?
7:05 what are those called?
Rocker Arms
@@trxtech3010 thanks
I didn’t notice that one was a dual carb! Also how worn were those cam followers?
Yep this one is a Dual Carb set up. As for the rocker arms they were worn pretty bad. No joke about a millimeter deep.
Very good explanation. Kool.
Hola tengo una pregunta yo tengo esa misma moto se calienta i se apaga i acá no consigo casi repuestos para esa moto
es posible que solo sea necesario ajustar las válvulas, lo cual es bastante simple, solo busque cómo ajustar las válvulas en un Honda 400EX o un XR 400 y son exactamente los mismos pasos. En cuanto a encontrar piezas, pruebe este enlace del sitio web que le dejo a continuación y haga clic en la marca y el modelo de su año y debería poder encontrar un diagrama de piezas con todas las piezas que necesita. www.rockymountainatvmc.com/oem-parts
Lo siento si mi español es difícil de leer. Usé un traductor de Google, espero que entiendas lo que estoy diciendo
@@trxtech3010 muchas gracias. I su español lo entiendo a la perfección
Great video mate, much appreciated!
Glad to hear the great feed back!
Dude thank you.
You're Welcome! Thanks for watching.
nice video!!!
Thank you.
Can i ask a question
Chris Dawson Yes sir. What is it?
@@trxtech3010 so I had my cousin work on my xr250r 2002 honda and he striped three bolts in near my timing chian and there about 5 inches long and no-one knows what there called can you help
And they take a 8 or 6 mm socket
And I need to find out what they go to cause one broke off
Chris Dawson Pull up the diagram for your year and bike on RockymountainMC/ATV website.