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  1. OConnor Racing

    Rebuilt OEM Cylinders, Crankshafts

    KOR is now stocking rebuilt OEM cylinders and crankshafts. They're available on my website. Here's the link. KOR | Used Blaster Parts (kenoconnorracing.com)
  2. OConnor Racing

    Crank Case Seal Replacement / Other / Suggestions?

    I got the bolts that I ran out of today. Your order has been shipped.
  3. OConnor Racing

    Official a blaster owner.

    welcome
  4. OConnor Racing

    Crank locked?

    Your countershaft is binding on the bearing. I'm thinking dirt is wedged between the shaft and inner race. Take a large C clamp and put a small amount of force on the front motor mount section of the case. LIGHTLY tap the end of the countershaft. Repeat as needed. If the top end bearing fell...
  5. OConnor Racing

    Is my porting good?

    Porting templates will take all the guess work out of porting. http://kenoconnorracing.com/ns/porting_templates
  6. OConnor Racing

    Oh no. Don't use cheap chineese parts

    Let's hope the pieces floating around in the bottom end didn't damage the cases.
  7. OConnor Racing

    Hydro conversion questions

    I have a full front set up for sale.
  8. OConnor Racing

    Smaller front sprocket?

    12 tooth will give you more low for the woods. It will sign off early on top end.
  9. OConnor Racing

    I'm back

    I started posting on Facebook when this page started slowing down. I pretty much ignored this forum for the past year or so. Sorry guys. Many of the people on FB are beyond help. They don't want advice. They just want to argue. It's like talking to a brick wall. I'll be popping in at least once...
  10. OConnor Racing

    Hi I'm 12 and I rebuild the engine and need help

    Please explain the rebuild. Work performed and parts used. Thanks
  11. OConnor Racing

    Crank locked?

    Check the magnets on the flywheel first. The screws get loose and drop a magnet sometimes. If that's not the problem, you have bad main bearings or you dropped a piece of piston into the cases. I have complete bottom end rebuild kits or can rebuild your OEM parts. I sell at eBay prices. feel...
  12. OConnor Racing

    New Web Site.

    I saw that Larry. It's because it's a new site. It's going to take about month before it starts working correctly. It's a Google spider thing. Thanks for your input bud.
  13. OConnor Racing

    New Web Site.

    Sorry that I haven't been here in a while. KOR is slammed with work. Thanks for all of the referrals. They're working! My Daughter Lauren just finished the new web site. Check it out and let me know what you think. www.kenoconnorracing.com
  14. OConnor Racing

    Counter balance issue

    Brake cleaner will clean everything up nice. Be sure to replace both counter balance shaft bearings. It's a good idea to replace the main bearings and all of the engine seals while you're in there. Use an OEM base gasket and replace the lock washers for the clutch and counter balance shaft.
  15. OConnor Racing

    99 blaster motor

    Give me a call at the shop. 560-230-5003
  16. OConnor Racing

    Wiseco 67.5mm Piston

    .002" on a stock build.
  17. OConnor Racing

    New to forum.

    Welcome. ^^^^^ What they said.
  18. OConnor Racing

    Can this be fixed or what do I need to do

    We spoke today. Replace the cover ( I have one ) and I'll weld the case when the engine shows up.
  19. OConnor Racing

    rechambered head and ignition timming

    94 is fine with my head mod. As Larry stated, check jetting. This cold weather raises hell with these engines.
  20. OConnor Racing

    Niche Industries Top End Kit

    The top end bearing and the piston are the weakest points. When / if they let go, you'll be looking for cases. In my opinion, it's simply not worth the risk.