DylanM345 Posted January 13 I cant find the bolt circled in red, and i dont know what this area is called either Share this post Link to post Share on other sites
SmokinJoe Posted January 13 It's the bolt that holds the power valve linkage to the end of the power valve rod. 2 1 Share this post Link to post Share on other sites
DylanM345 Posted January 14 is a bolt supposed to go in that hole? i cant find it on motorsport Share this post Link to post Share on other sites
mlatour Posted January 14 (edited) Dylan, your posting history suggest it's a 2002 model year YZ125, correct? If so, the parts you are looking for are in the 'governor' parts fiche, items #1 thru 6 here: https://www.partspitstop.com/oemparts/a/yam/500449c3f8700209bc7905d6/governor Edited January 14 by mlatour 3 Share this post Link to post Share on other sites
8675309 My Ride Posted January 14 More importantly WHY THE EFF does one cylinder bolt require an open end wrench? 1 Share this post Link to post Share on other sites
Four square T My Rides (6) Posted January 14 13 minutes ago, 8675309 said: More importantly WHY THE EFF does one cylinder bolt require an open end wrench? That’s what I say everytime I do a top end. My son’s yz65 is the same way. Share this post Link to post Share on other sites
8675309 My Ride Posted January 14 Sheesh, tearing down my 250x soon and dreading that nut. Share this post Link to post Share on other sites
Kinger317 Posted January 14 Use the other end, the box end 29 minutes ago, 8675309 said: More importantly WHY THE EFF does one cylinder bolt require an open end wrench? 2 2 Share this post Link to post Share on other sites
Four square T My Rides (6) Posted January 14 5 hours ago, DylanM345 said: I cant find the bolt circled in red, and i dont know what this area is called either Here you go. I am going off of another post saying it’s a 2002 yz125 1 Share this post Link to post Share on other sites
Smoking 2's Posted January 14 My snap on wrenches slide on that but but like some of the old craftsman you gotta grind down or motion pro or tusk sale a special wrench and socket 2 Share this post Link to post Share on other sites
FLO_RIDA Posted January 14 Motion pro tool rules. I used it from my cr125 to cr250 to yz250.... Best tool I bought. Share this post Link to post Share on other sites
8675309 My Ride Posted January 14 6 hours ago, Smoking 2's said: My snap on wrenches slide on that but but like some of the old craftsman you gotta grind down or motion pro or tusk sale a special wrench and socket Ready for a tear down, can you link me to that Motion Pro Item please, will be using RockyMountain for parts. Thanks guys. Share this post Link to post Share on other sites
brysonrs Posted January 14 (edited) 16 minutes ago, 8675309 said: Ready for a tear down, can you link me to that Motion Pro Item please, will be using RockyMountain for parts. Thanks guys. https://www.rockymountainatvmc.com/parts/motion-pro-torque-wrench-adaptor-p Just keep in mind that you will have to use the formula to correctly calculate torque using that tool. Edited January 14 by brysonrs 1 Share this post Link to post Share on other sites
Sullysully Posted January 14 (edited) 12 hours ago, Kinger317 said: Use the other end, the box end Or use the torque wrench adapter you need to torque that bolt properly edit: I see several of you brought that up now Edited January 14 by Sullysully Share this post Link to post Share on other sites
8675309 My Ride Posted January 14 53 minutes ago, brysonrs said: https://www.rockymountainatvmc.com/parts/motion-pro-torque-wrench-adaptor-p Just keep in mind that you will have to use the formula to correctly calculate torque using that tool. Bry, Does that tool also fit the hidden nut? Share this post Link to post Share on other sites
brysonrs Posted January 14 3 minutes ago, 8675309 said: Bry, Does that tool also fit the hidden nut? It's designed to be smaller and it should fit. I'm not 100% sure on that though. Worked on my 250. Share this post Link to post Share on other sites
8675309 My Ride Posted January 14 Mines a 17 x so should work there as well. Thank you. Not the end of the world, have rebuilt many 2006 and newer yz's just winging it. But will try the M pro this time. Share this post Link to post Share on other sites
8675309 My Ride Posted January 14 Thanks guys, ordered the MP tool, not sure why I though box end didn't fit. Don't get old okay? 1 Share this post Link to post Share on other sites
ChrisN572 My Rides (3) Posted January 14 On Motorsport, oem 2002 yz125, look at governor page/ link. Looks like part number 6 is the bolt you’re missing. www.Motorsport.com/oem-parts/Yamaha/2002/yz125/governor Share this post Link to post Share on other sites
