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Thread: The 50

  1. #151
    Join Date
    2nd July 2013 - 11:52
    Bike
    GPR150
    Location
    palmertson north
    Posts
    2,300
    Quote Originally Posted by F5 Dave View Post
    Phil Turnbulls; but you'll have to get in a time machine,
    i don't want to buy the shop just a rod kit or 2 (-; the guys voice drives me crazy on the radio !

  2. #152
    Join Date
    25th March 2004 - 17:22
    Bike
    RZ496/Street Triple R/GasGas/ etc etc
    Location
    Wellington. . ok the hutt
    Posts
    16,859
    An enquiry to MXparts.co.nz might turn something up perhaps? Seems to have a bunch of stuff aimed at MX but may have other bikes covered & he is cheap. I've used him for dirtbike parts & was well good.
    I've been told. Dreaming`s free.
    Think I'll go, back to sleep.
    Everybody listen, voices in my head
    Everybody listen, do yours say, what mine says?

  3. #153
    Join Date
    1st March 2011 - 19:15
    Bike
    1996 Buell S1
    Location
    Orewa
    Posts
    1,013

    Home work

    I have been attacking the cases and also the spare cylinders intake and was wondering how I was to get at the ports, by chance mr. photo Chris mentioned that he had a dentist drill and burrs but was unable to use the angled bit due to the bigger burrs not fitting. We decided I should attempt to modify one of the not so desirable burrs and see if I could retro fit it. Used my lathe a grinding disc from the dremell and a small file and it worked, took ages on the 1st one but have a week off so will do some of the others and get stuck into the porting
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  4. #154
    Join Date
    27th January 2011 - 11:30
    Bike
    RS125, TZ80, RS50, RS50, FXR
    Location
    AKL
    Posts
    908
    Did you let your dog chew the end of it until it fit the right angle head?

    Nice one mate, put it to some good use

  5. #155
    Join Date
    25th March 2004 - 17:22
    Bike
    RZ496/Street Triple R/GasGas/ etc etc
    Location
    Wellington. . ok the hutt
    Posts
    16,859
    Ahh yes, I recognise those dentist heads. just apply gently & let the speed do the work as the gears inside aren't super strong. Drop of oil on them is good & do the head up tight or it will vibrate loose.
    I've been told. Dreaming`s free.
    Think I'll go, back to sleep.
    Everybody listen, voices in my head
    Everybody listen, do yours say, what mine says?

  6. #156
    Join Date
    1st March 2011 - 19:15
    Bike
    1996 Buell S1
    Location
    Orewa
    Posts
    1,013

    Italian pistonry and Honda's Fu-Pa

    Quote Originally Posted by Farmaken View Post
    Tim, have you had a look at KTM50sx pistons ??
    12mm pin .8 ring 39.5mm std bore
    I bought one of the KTM 39mm pistons and it looks very nice. I have decided to junk the 40mm cylinder and work up the standard one.

    Tee Zee spotted something odd with my 2 cylinders today, the MTX50 one has no transfer holes to take coolant to the gallery on the underside of the exhaust port whereas the NSR50 cylinder does, will have to get the drill out and remedy Mr. Honda's mistake.

    PS. dont tell Chris but I snapped one of his Burrs trying to modify it. Shhhh

  7. #157
    Join Date
    25th March 2004 - 17:22
    Bike
    RZ496/Street Triple R/GasGas/ etc etc
    Location
    Wellington. . ok the hutt
    Posts
    16,859
    just with the piston, turn it upside down & check clearance to the small end. The hondog piston slants in at the top restricting bearing axial movement but the sm bearing is quite narrow.
    I've been told. Dreaming`s free.
    Think I'll go, back to sleep.
    Everybody listen, voices in my head
    Everybody listen, do yours say, what mine says?

  8. #158
    Join Date
    1st March 2011 - 19:15
    Bike
    1996 Buell S1
    Location
    Orewa
    Posts
    1,013

    Looks good

    Quote Originally Posted by F5 Dave View Post
    just with the piston, turn it upside down & check clearance to the small end. The hondog piston slants in at the top restricting bearing axial movement but the sm bearing is quite narrow.
    I did check that, in the photo I have used the Honda pin and small end bearing and can see no noticeable difference. ( with side movement ) It fits nicely on the rod and covers all the holes in the cylinder so am hoping I have a winner. Bonus being I bought it next door to work.
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  9. #159
    Join Date
    1st March 2011 - 19:15
    Bike
    1996 Buell S1
    Location
    Orewa
    Posts
    1,013

    I have N-plan

    My pipe turned up today from a country far far away. A big thanks to the person who facilitated the purchase.
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  10. #160
    Join Date
    1st March 2011 - 19:15
    Bike
    1996 Buell S1
    Location
    Orewa
    Posts
    1,013

    Bits going around

    I have been trying to find a legal Rod kit with a decent bearing for the 50 but not much available. I ended up buying a prox Kit and having a bearing made to suit the MTX50R, not the cheapest exercise but as I have one crank with a stuffed big end and the 2nd showing signs of defeat it will probably work out in the long run.
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  11. #161
    Join Date
    20th January 2010 - 14:41
    Bike
    husaberg
    Location
    The Wild Wild West
    Posts
    9,817
    Quote Originally Posted by cotswold View Post
    I have been trying to find a legal Rod kit with a decent bearing for the 50 but not much available. I ended up buying a prox Kit and having a bearing made to suit the MTX50R, not the cheapest exercise but as I have one crank with a stuffed big end and the 2nd showing signs of defeat it will probably work out in the long run.
    Lead 125 or maybe 80 has a CR80 big end (same exact part number) i remember they are an odd size.
    I can check i part a parts book at home?

    18mm what is the MTX50r.



    Kinky is using a feather. Perverted is using the whole chicken

  12. #162
    Join Date
    1st March 2011 - 19:15
    Bike
    1996 Buell S1
    Location
    Orewa
    Posts
    1,013

  13. #163
    Join Date
    18th May 2007 - 20:23
    Bike
    RG50 and 76 Suzuki GP125 Buckets
    Location
    Auckland
    Posts
    9,819
    Some great looking 50's, love em.


  14. #164
    Join Date
    1st March 2011 - 19:15
    Bike
    1996 Buell S1
    Location
    Orewa
    Posts
    1,013

    light reading


  15. #165
    Join Date
    1st March 2011 - 19:15
    Bike
    1996 Buell S1
    Location
    Orewa
    Posts
    1,013

    Well Fork me

    A parcel arrived today, The brakes look a little farked but maybe rebuildable. Who knows what number RS steering bearings are and can I get them from a non Honda source?
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