Seized & Stripped Screws // Becky Stern
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- čas přidán 8. 05. 2016
- Here are methods for removing stripped and seized screws from your Japanese motorcycle engine covers. Full tutorial: www.instructables.com/id/Remov...
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THANK YOU!!! I see that you sawed a line in the screw for a flathead….. genius!
Kind of good to know that this is a common problem with old Japanese bikes. I could even see where a previous owner notched out some of the bolts on mine, those where the ones that came out easy.
Yo, this was really helpful. Thank you.
🙌
Great job Becky, i am also new to this as much as I love to do this I am learning!!!
I have the Honda XL350 74' lol you're video was the first to come up when I only typed motorcycle engine screw stripped... Lol. These soft ass screws suck! Alllll but ONE on my face came of.... Need to cut a slot I think and order some new ones.... I was almost there! Damn.. trying to fix an oil leak
This was definitely helpful. I will be trying these steps on my Cb500.
Great to hear! Best of luck!
Thanks for posting video. I used the rotary cutter wheel to make a slot and the screws came right out with my hammer impact driver. I tried a Vessel #2 JIS impact driver but that didn't work very well.
Becky - a huge piece of advice for you! Every mechanic will have an opinion on penetrating oils, but believe me when I say, I've tried all of them, including homebrew solutions people swear by (like ATF+Acetone); and none of them, work half as well as Free All. I swear by the stuff, it's a blessing here in the North where everything has terrible salt damage and rust from winter. It works amazingly well. And the WD-40 stuff you were using, doesn't. PB Blaster is a big step up from that WD-40 spray, but Free All is even better. I've been buying it from Amazon since it's often hard to find in local stores. Here's a link to the 11oz can on Amazon. www.amazon.com/dp/B00022VY74/ref=twister_B00CRKVNSE?
Welcome to the world of working on vintage bikes! I have a 1982 Yamaha XZ550 that I love. It's really a joy working on this old hardware. I work on cars too, but nothing beats an older bike, for elegance and simplicity.
exactly what i needed thank you
I've used that "dremel a slot" technique a number of times. Was there a tightening torque specified for those? Wouldn't want those covers to leak!
TIP 0000 steel wool can be your chromes best friend along w/ WD40, and impact required #3 Phillips bit, not necessarily Japanese :-) Good Job
Exactly my plan.
way to go! Not an easy task and you over came. Another trick is to get the motor hot and try to remove a bolt or two. Reheat the motor (another ride ) and do a few more.
Dino over at Hackaweek has a great series on building his Honda CB750 if you haven't seen that. It looks like fun stuff working on your bike like that!
+Torsan1977 I have, thanks!
I wouldn't use allen bolts they strip easily too i would use a standard bolt
Great first project. So is this Mechanical Mondays instead of Wearable Wednesdays ? :-)
Do you have any trips planned with your bike?
+gold zipper Yeah I'd like to go upstate a bit! However it's not great on the highway so will probably try Bear Mtn via north NJ soon.
The type of screw driver which really works for Japanese motors cycles and cars is a "JIS" or Japanese Industrial Standard. The common one is the #2. And they transmit a lot more torque than a phillips used in a JIS fastener.
"Vessel" a brand preferred by many who work on these vehicles. You can get them many places. Amazon has them. www.amazon.com/Vessel-900-Megadora-2x150-Screwdriver/dp/B000TGF8YI
Everything in your video is spot on, by the way. Stainless steel and aluminum tend to seize badly to one another. So the problem removing the fasteners from motor cycle engine cases is a common one. And using anti-seize of some type, on reassembly, is an excellent idea.
+1 on Vessel branded JIS screwdrivers (not Japanese Phillips). Buy one and save yourself a ton of grief. Right tool for the job.
Check out Common Motor Collective both here on You Tube & on line. Very informative videos and awesome products for your bike. They have helped me greatly with my 1975 Honda CB 200t garage find.
Why didnt you just use a screw extractor?
+The Guvnor Have you ever rebuilt a smaller, Japanese, aluminum block engine? The fasteners are just too small in diameter to drill for an extractor. And since these fasteners tend to see a little road salt, they can be very badly seized. Penetrating oil helps. Heat from a torch helps. Impact tools help. But If the screw head cannot be grabbed with something, either on the head or the shaft, you are almost completely out of luck. On an extremely expensive, irreplaceable or exotic engine block, you can electron discharge machine (EDM) them out, and insert a Helicoil.
Yep. I've worked on Asian engines and helicoils. Heat is definitely a good thing here, also penetrating oil made from a 50/50 mix of acetone & synthetic trans fluid.
I think bolts is the word you are looking for.