Tips and Tricks For Measuring Your Top End Right (Honda CR125)

  Рет қаралды 13,813

Brian D. Mobley

Brian D. Mobley

Күн бұрын

If calipers and feeler gauges are foreign objects to you, this is your video. In this video I'll take you step by step, just like in the factory service manual. You will get all the info you need to feel confident that you did your top end measurements right!
★SPONSORS and FRIENDS
Special Thanks to: www.TBoltUSA.com
★TIMESTAMPS
0:00 - Intro
0:21 - Difference Between "A" and "B" Honda Cylinders
0:48 - Tools Needed To Measure Cylinder Bore
1:03 - How to Measure A Cylinder Bore
4:32 - How To Check Cylinder Warpage
5:33 - How To Check Cylinder Head Warpage
6:38 - How To Repair a Warped Cylinder Head
7:43 - How To Check Piston Ring End Gap
8:50 - How to Measure Piston Outside Diameter (O.D.)
9:14 - How To Measure Piston Ring Groove Clearance
10:46 - How To Measure Piston Wrist Pin Bore Inside Diameter (I.D.)
11:24 - How To Measure Wrist Pin Outside Diameter (O.D.)
★AFFILIATE LINKS (I MAY MAKE A COMMISSION FROM SALES GENERATED VIA THESE LINKS)
Products Used:
Torque Wrench (Low Torque): amzn.to/38onM2V
Torque Wrench (Best Value): amzn.to/3rIVvvD
Feeler Gauge Set: amzn.to/3ZPa9SD
Machinist Ruler: www.amazon.com/General-Tools-...
Telescoping Gage Set (Bore Measurement): amzn.to/3Jh3ERZ
Digital Caliper (Bargain): amzn.to/3IQDlSe
Digital Caliper (Premium): amzn.to/3YqXSCv
Starrett Ruler (Premium): amzn.to/423beYW
Video Production Tools:
Camera - Canon M50: amzn.to/3qupANX
Camera - GoPro Hero 9: amzn.to/2O96Lmq
Softbox Light: amzn.to/3epcwHk
Neewer LED Lighting: amzn.to/3t23Sm3
Microphone: amzn.to/3ckzRr3
Sound Recorder: amzn.to/3etXFLP
Camera Tripod - Low Height: amzn.to/3rA9zqU
Camera AC Power Adapter: amzn.to/2PCLEsP
★MUSIC CREDITS
Song: Atch - Time Out
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Пікірлер: 28
@chrisdupree755
@chrisdupree755 2 жыл бұрын
Keep doing what your doing. We all appreciate your videos. You made my bottom end rebuild tolerable !! Thank you
@brian.d.mobley
@brian.d.mobley 2 жыл бұрын
Oh man! Thanks Chris! You made my day! It makes all the time consuming work tolerable when someone like you is nice enough to let me know I help them. Thank you! And thanks for watching. I have a cool video coming out in a few days on something a little different; carbon fiber repair! I do a lot of composites work but this is my first video about it. Take a look at it when it comes out if you have time!
@anthonysupplee858
@anthonysupplee858 Жыл бұрын
These videos are very helpful. Leave a comment if you appreciate these vvids
@Kobwo1
@Kobwo1 3 жыл бұрын
Excellent info. Thanks for your time
@brian.d.mobley
@brian.d.mobley 3 жыл бұрын
@kobwo1 So glad it helped you! Thanks for the nice comment!
@itsmeitsdrew
@itsmeitsdrew Жыл бұрын
love the vid - what if we dont have a service manual :D
@brian.d.mobley
@brian.d.mobley Жыл бұрын
HI ItsMeltsDrew! I have found that you can find a manual online for just about anything. If you have trouble, join some facebook groups related to the vehicle in question and ask the members. You will be able to find one, Ill bet!
@itsmeitsdrew
@itsmeitsdrew Жыл бұрын
@@brian.d.mobley haha i believe that! my biggest issue is this is a cheap chinese atv from who knows where/what year i picked up for my son and i to try and rebuild - something for us to tinker on together. havent had any luck identifying it
@brian.d.mobley
@brian.d.mobley Жыл бұрын
@@itsmeitsdrew Due to my low threshold for frustration, I don't buy any of that Chinese motorcycle stuff! Its always a zillion headaches and I just don't cope well with things that are poorly made. Best of luck though!
@itsmeitsdrew
@itsmeitsdrew Жыл бұрын
@@brian.d.mobley haha!! i think im currently learning my lesson! Trying to perfect a meal without a recipe is always fun - thanks man!
@250race
@250race 2 жыл бұрын
So .03 to .05 is the limit for the Is clearance of the bore. If it's at .06 bigger we should use the next size piston?
@garypalermo3511
@garypalermo3511 2 жыл бұрын
Hey Brian, have a 1987 CR 125. same proceedure while specs may be diff? Thanks
@JD-hr1ct
@JD-hr1ct 7 ай бұрын
If it meets the diameter specifications, how many burn and scratch marks are ok before needing to replace the cylinder?
@brian.d.mobley
@brian.d.mobley 7 ай бұрын
There is no specific number, but if a gouge is deep enough to snag your fingernail, the cylinder needs service or replacement
@bullrunllc1685
@bullrunllc1685 3 жыл бұрын
Your videos are top quality your channel will do great im sure of it. if i could spam the 👍 button i would thanks
@brian.d.mobley
@brian.d.mobley 3 жыл бұрын
You are the best!
@dylandiaz6623
@dylandiaz6623 3 жыл бұрын
and the next thing I did was to rectify the cylinder head, retify the cylinder, replace the radiator and the bonba works perfect and anyway I accumulate many pressures in the entire hose .... now I have determined where the problem will be
@brian.d.mobley
@brian.d.mobley 3 жыл бұрын
Good work! I’m glad you could figure that out!
@dylandiaz6623
@dylandiaz6623 3 жыл бұрын
@@brian.d.mobley So what do I do in that case to regulate it?
@brian.d.mobley
@brian.d.mobley 3 жыл бұрын
@@dylandiaz6623 Check the water pump. That’s probably the issue. Or the radiator cap
@tristanhodges5144
@tristanhodges5144 3 жыл бұрын
Where can I get this tool kit
@jonathandavis9874
@jonathandavis9874 Жыл бұрын
Do I need to check the squish when putting a new piston/ring in top end for maintenance? No other engine work done. Thanks
@brian.d.mobley
@brian.d.mobley Жыл бұрын
In a word, no. As long as the cylinder and/or head have not been resurfaced, the squish is basically set. The only thing that could cause this to vary would be the thickness of the head/cylinder gaskets and those are standardized if you got your gasket from a "normal" part supply source.
@paulmurphy2503
@paulmurphy2503 3 жыл бұрын
PLEASE DO A CR 85 CRANK SEAL REPLACEMENT ON THE CLUTCH SIDE
@brian.d.mobley
@brian.d.mobley 3 жыл бұрын
I’m surprised you missed that one. But, I’ve already done that! Check this video. kzfaq.info/get/bejne/e9uImJuetsnIoZ8.html
@joelarambula9767
@joelarambula9767 2 жыл бұрын
I need to rebuild my cr125 is a 1988 , where I can get a rebuild kit?
@brian.d.mobley
@brian.d.mobley 2 жыл бұрын
Hi Joel! Im not a big fan of rebuild kits but, you could try Wrench Rabbit. Nowadays, I usually buy the individual parts needed for a rebuild from some retailer likes Rocky Mountain ATV or Motosport.
@dylandiaz6623
@dylandiaz6623 3 жыл бұрын
brother, I have a Suzuki RM85cc year 2003 that heats up too much and it is breaking me in the rim of the cylinder and it turns off xk the anti-slip is filtered for the cylinder
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