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Wales
by Joske Vermeule, September 1
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Forums39
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Jun 14th, 2026
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Joined: Aug 2011
Posts: 898
Talk Morgan Regular
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Talk Morgan Regular
Joined: Aug 2011
Posts: 898 |
The 3 wheeler uses a 5 speed MX5 Mk3 box that are not too choosy with gearbox oil.
The six speed MX5 Mk3 boxes like Redline MT90 or Castrol Syntrans Multivehicle. These improve gear changing at low temperatures and are GL4 oils (gear oils) which are not too slippy like GL4/GL5 oils ( Diff oils with EP additives that are too slippy for the gear synchronisers.)
There are no favoutite among the MX5 community with regards to oils for the 5 speed box but I would use a GL4 oil. I have changed gearbox oil in loads of MX5's.
Last edited by Eddie Cairns; 03/10/19 08:58 PM.
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Joined: Feb 2019
Posts: 3,857 Likes: 2
Talk Morgan Addict
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Talk Morgan Addict
Joined: Feb 2019
Posts: 3,857 Likes: 2 |
That'l be the gearbox, the bit in the middle.
The bit at the back can be known as: back axle, final drive or Diff. Depending on who you are talking to. Thank you👍
2019 M3W Sold and is now in Las Vegas enjoying the showgirls :-)
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Joined: Mar 2015
Posts: 902
Talk Morgan Regular
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Talk Morgan Regular
Joined: Mar 2015
Posts: 902 |
The bit in the middle, love it.
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Joined: Feb 2019
Posts: 1,889 Likes: 16
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Feb 2019
Posts: 1,889 Likes: 16 |
on old goldwings we simply call the rear drive box as a pumpkin
Rodger
2018 M3W "Dreamers on the Rise"
2004 Plus 8 (wife's)
old Goldwings and a couple of Harleys
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Joined: Feb 2019
Posts: 3,857 Likes: 2
Talk Morgan Addict
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Talk Morgan Addict
Joined: Feb 2019
Posts: 3,857 Likes: 2 |
Like banjo housing for the rear end
2019 M3W Sold and is now in Las Vegas enjoying the showgirls :-)
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Joined: Jan 2015
Posts: 245 Likes: 5
L - Learner Plates On
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L - Learner Plates On
Joined: Jan 2015
Posts: 245 Likes: 5 |
The gearbox filler is a 14 mm square drive - which I would suggest you get as the bolt fuses to the Au housing and can become slightly stiff!
A tip if you are going to drain either - remove the filler bolt first just incase you have problems getting them off and you have already emptied the box.
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