1982 MHR motor swap

toomuch · Post by **toomuch** » Sun Nov 08, 2009 9:29 am

Hello everyone

Looking for some answers regarding similarities between a 1978 Darmah motor and a 1982 MHR.

I am aware about the manifold stud spacing. How about the starter side of the motor ? Is swaping motors a good idea ? (darmah motor into MHR) Can you please chime in with what you know ?

Greatly appreciated

Serge

toomuch · Post by **toomuch** » Mon Nov 09, 2009 7:19 am

Paging the mates from down under .....

rwhc80 · Post by **rwhc80** » Wed Nov 11, 2009 1:58 am

G'day Serge,
You have me intrigued as to why you would swap the MHR engine for a Darmah unit ? There should be no reason you couldn't swap as there were basically little difference apart from the stud spacings as you suggested, unless you have the 1982 update engine with the 3 dog gearbox, which is reputedly better than the earlier 6 dog box. Martin may correct me as I'm no expert on MHR's but I am interested to hear why you want to change ?

Cheers
Rick

toomuch · Post by **toomuch** » Wed Nov 11, 2009 9:19 am

Thank you for the reply Rick.

Here how the story goes.
I just purchased a MHR which it turns out according to Ian Fallon is a 1981 The motor needs rebuilt. In the mean time I would like to use a spare motor from a 1980 darmah that I happened to have.

Just trying to have double the fun. Engine rebuilt while still riding.

Bevel addiction you know how that goes I am sure..... :-)

Serge

MartinMille BANNED · Post by **MartinMille BANNED** » Wed Nov 11, 2009 11:54 am

rwhc80 wrote:snip.... Martin may correct me as I'm no expert on MHR's but I am interested to hear why you want to change ?

Cheers
Rick

Hi Rick
LOL I'm not the exy on MHR's by a long shot , I do love my SSD and know a fair bit about it , like Craig in the UK/FR between us theres not much we dont know about them , I'm slowly getting to know about the 76 SS it all takes time

BEVEL DAVE · Post by **BEVEL DAVE** » Wed Nov 11, 2009 1:39 pm

It will swap straight in, the starter assy. needs to be removed complete from the Darmah, then the MHR sidecover will bolt straight on. Only thing to check for is the selector shaft length, if different they are not hard to swap either.

Where are you located???

Dave.

toomuch · Post by **toomuch** » Wed Nov 11, 2009 5:57 pm

Thank you Dave

I remember reading about the gear selector shaft.

Northern California wishing I was down under this time of year. LOL

Serge