NSR250.net Forums Logo: Honda NSR 250 Forums, Classifieds and Service Manual in English. Covering All Honda NSR 250 MC16, MC18, MC21 and MC28 models
NSR250.net Forums

#
 
#
 
Race Lubricants

  • NSR250 Forums Index ‹
  • Members Content
  • Members Garage
  • Subscription
  • Transactions
  • FAQ
  • Search
  • Register
  • Log in

View Single Post


 Topic: NSR250 MC18 R5K Engine Rebuild 







philup_7@hotmail.com

 
    Send private message View user's profile
    Reply with quote

philup_7@hotmail.com » Mon Mar 23, 2026 10:12 am

Cleaning & Removal
Cleaning the Crankcase/Cylinder Barrel mating surfaces was next, however, I tried in vain to remove the Crankcase to Cylinder studs, using repetitions of heat and plenty of KROIL Penetrating Oil left soaking for more time than I would have liked, so decided to carry on cleaning the mating surface until I could get the Studs out.

However, I gave up in the end, time & galvanic corrosion got the better of me and PJ Motorcycle Engineers in Wolverhampton did it in the end, they have far better tools and experience for the job than me.




Initial clean of Crankcase mating surfaces to remove the old Sealant using an old piece of cloth soaked with Brake Cleaner or Meths & yes should have been wearing some gloves.




Just to make sure everything runs smoothly (that will be a first) using M6 & M8 Taps to clean out the Threads in the Crankcase.




A quick dry run with the Crankcase Bolts just to make sure they all screw in freely.


Back to top

  • NSR250 Forums Index
  • All times are GMT
Powered by phpBB © 2001, 2005 phpBB Group


Hosted by NSR250dotNET © 2008 NSR250dotNET