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      JUST IN!   04/24/2018

      HOW TO: 4-STROKE PISTON REPLACEMENT DONE RIGHT!

dhbiker517

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About dhbiker517

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    Florida
  1. oem bearings, bearing fully seated....one weird thing was that the oem bearing that replaced the bearing on the countershaft right behind the clutch had a groove on outer race....same diameter though, and seemed to be the same width. shift fork pins alternate correct? when I loosen the case bolts, there is prob a 1/8" gap formed, so something is pushing against something in there
  2. Im putting my motor back together, got the transmission set to neutral, when I put the cases back together the driveshaft and countershaft are stuck, won't turn at all. The shift drum is free to move back and forth one click, does anyone have any ideas as to what might be hanging up or causing this? I changed both bearings on the countershaft ends...could it have something to do with that?
  3. Does anyone know what I would ask for, I am looking for part #22 in this microfiche, I need it asap and figured the best place would be the local bearing supply house. What brand and part number would I ask for...THANKS!!!
  4. What are the symptoms of an exhaust valve leaking?
  5. GRRRRR, I ordered the one from repairmanuals.com on friday...still hasn't shipped. Im trying to make my track day on the 23rd of sept but this is not looking good. a@%$#^@$&QY
  6. well I managed to completely destroy the bearing on the shaft that the clutch is on...its DONE... I started pulling the bike apart and found a few things that are concerning me. the piston has a few scratches on the exhaust side, they are fairly light, and the bike was making great power. the cylinder has normal vertical wear marks, but has a couple scratches on the exhaust side. here are some pictures to show. what would cause this, and can I reuse the piston and cylinder...my initial thought was yes, but thought I would check here. next thing, is that rust color on the cylinder normal? next, here is a pic of where the piston pin was, there are a few wear marks in there, spaced in every 20 degrees or so inside where the pin goes. is this anything to be concerned about...can i use the same piston and a new pin? how does this carbon buildup look? ok? too rich? too lean? bike has had 7500 miles since being apart here is a pic of the head...the exhaust valves are pretty light in color which has me worried I was running too lean...any thought? and last but not least...my fubard bearing found this in the oil I hope it didnt tear the tranny up....
  7. oh well...i just ordered one
  8. yep, but instead they loose a customer for life
  9. just talked to the local dealership and of course they wont remove the flywheel unless they are doing all the work !#%!#$%#!$.....anyone have one that I can borrow, or do I need to order one?
  10. anyone? going to the store tomorrow
  11. i thought the flywheel puller for a drz was specific...could anyone show me a link as to what will work from harbor freight?
  12. I destroyed a main bearing and need to tear the motor down, anyone have a flywheel puller they can ship me to borrow for a week or so? im in central florida
  13. if anyone has a clutch cable laying around or know of a dealership between san fran and anywhere near santa rose please let me know ASAP. my cable broke on the way home today and I have company coming in to town from florida to do some riding this weekend. 360-303 5499 Thanks!!!
  14. if anyone has a clutch cable laying around or know of a dealership between san fran and anywhere near santa rose please let me know ASAP. my cable broke on the way home today and I have company coming in to town from florida to do some riding this weekend. 360-303 5499 Thanks!!!
  15. When I start my bike up for the first time for the day I get a small puff of white smoke when I blip the throttle for the first time, after that, no smoke when riding or any other blipping of the gas. its also worse when the bike needs choke for some reason. Anyone have any guesses?