Dumb question

Reply

Old 01-01-2008, 11:23 AM
  #1  
Tech Adept
Thread Starter
 
bozla's Avatar
 
Join Date: Aug 2006
Location: Japan
Posts: 175
Default Dumb question

How do I get this off?
Attached Thumbnails Dumb question-01012008095.jpg  
bozla is offline  
Reply With Quote
Old 01-01-2008, 11:31 AM
  #2  
Tech Master
iTrader: (2)
 
impalabob64's Avatar
 
Join Date: Jan 2004
Location: florida
Posts: 1,464
Trader Rating: 2 (100%+)
Default answer

spray alittle wd40 ,then take a flathead screw driver wrap it with rag or towel ,hit it from the bottom it should pop out.
impalabob64 is offline  
Reply With Quote
Old 01-01-2008, 11:58 AM
  #3  
Tech Adept
Thread Starter
 
bozla's Avatar
 
Join Date: Aug 2006
Location: Japan
Posts: 175
Default

Cheers - worked a treat!
bozla is offline  
Reply With Quote
Old 01-02-2008, 10:32 AM
  #4  
Tech Adept
Thread Starter
 
bozla's Avatar
 
Join Date: Aug 2006
Location: Japan
Posts: 175
Default

Another dumb question. How to remove the rear ball bearing in the crankcase?
bozla is offline  
Reply With Quote
Old 01-02-2008, 11:30 AM
  #5  
Tech Addict
 
V for Victory's Avatar
 
Join Date: Dec 2006
Location: South Pasadena CA.
Posts: 644
Default

I heat the crankcase in the oven until the metal expands then knock the bearing out.
V for Victory is offline  
Reply With Quote
Old 01-02-2008, 12:56 PM
  #6  
Tech Fanatic
iTrader: (16)
 
Speedypeterb's Avatar
 
Join Date: Oct 2002
Location: Pompano Beach FL.
Posts: 775
Trader Rating: 16 (100%+)
Default bearing

you can use the oven or if you have a gas stove works even faster. get the temp up to 275 300 degree i put a 2x4 on the ground and when the crank is heated up use gloves or oven mitt and hit the 2x4 with the flat part of the back plate area and it should fall out.
Speedypeterb is offline  
Reply With Quote
Old 01-02-2008, 01:55 PM
  #7  
Tech Adept
Thread Starter
 
bozla's Avatar
 
Join Date: Aug 2006
Location: Japan
Posts: 175
Default

Nice. All done!

Another dumb Q: Are engine bearings standard?
bozla is offline  
Reply With Quote
Old 01-02-2008, 02:10 PM
  #8  
Tech Elite
iTrader: (14)
 
ezveedub's Avatar
 
Join Date: Aug 2004
Location: Fort Lauderdale, FL
Posts: 2,412
Trader Rating: 14 (100%+)
Default

Originally Posted by bozla View Post
Nice. All done!

Another dumb Q: Are engine bearings standard?
NO. What engine is it or meaure the outside, inside and width of the bearing. If its old, it maybe 13mm inner, later are 14mm, but like I said, measure it and post the size or the engine.
ezveedub is offline  
Reply With Quote
Old 01-03-2008, 09:05 AM
  #9  
Tech Adept
Thread Starter
 
bozla's Avatar
 
Join Date: Aug 2006
Location: Japan
Posts: 175
Default

I want to put a bearing meant for a ninja engine into a mega zx21.?
bozla is offline  
Reply With Quote
Old 01-03-2008, 02:38 PM
  #10  
Tech Elite
iTrader: (14)
 
ezveedub's Avatar
 
Join Date: Aug 2004
Location: Fort Lauderdale, FL
Posts: 2,412
Trader Rating: 14 (100%+)
Default

Originally Posted by bozla View Post
I want to put a bearing meant for a ninja engine into a mega zx21.?
Got both engines, but I didn't check the ZX21 bearing size and I'm not sure if they are the same. ZX21 though can be different, since there are revised ones and different manufacturers.
ezveedub is offline  
Reply With Quote

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are Off


Thread Tools
Search this Thread

Contact Us Archive Advertising Cookie Policy Terms of Service