NEW 45 engine

ALLAN YUEN · Oct 14, 2020

Look list part no clip holding replacement top hex screw at front housing with two bearings then Choice two different optional : flywheel DD or gear drive

normlee · Oct 17, 2020

Buckshot said:
There is no clip holding the bearing in the housing, push on it if you want to.

Are you saying this engine is ok for collet drive?

Timbo Whalen · Oct 22, 2020

ALLAN YUEN said:
I talked Tony Australia about 91 m-line it can use both collet and square. Not arrive new CMB45 M-line yet because factory workers delay from Covid-19

45 will run collet, too.... Tony will have them in mid November...

This was from Oct 9th-

Timbo Whalen · Oct 22, 2020

normlee said:
Are you saying this engine is ok for collet drive?

Yes.... direct drive....

Jake Ellwood · Oct 23, 2020

Dad and I just ordered 1 each. Looking forward to seeing this thing go. We've got the 91 M-Lines and fell in love with the 45 the moment we saw it.

timothy johnson · Oct 23, 2020

So with all this is there going to be a M 1 kit available for us to purchase for the gold head 45 rs?

dr gary turner · Oct 23, 2020

Tim , there is
Stu are is going to order some.

timothy johnson · Oct 23, 2020

Thanks Doc, all we need now is some races.

ALLAN YUEN · Oct 23, 2020

Jake Ellwood said:
Dad and I just ordered 1 each. Looking forward to seeing this thing go. We've got the 91 M-Lines and fell in love with the 45 the moment we saw it.

Jake I wonder that did you see disassemble front housing for CMB 45 M-line. Which one cage bearing or needle bearing onto the front housing near cone with flywheel ? Can you show us picture of your motor open ? Thanks

Alan Elzer · Oct 24, 2020

So what's the difference in the motors from gold head to m 1

Buckshot · Oct 24, 2020

Took mine apart for the first time last night, you can push on the crank.

dr gary turner · Oct 24, 2020

Alan if it is like my 21 M1
Dish piston and turbo head

ALLAN YUEN · Oct 24, 2020

Buckshot said:
Took mine apart for the first time last night, you can push on the crank.

Show any pictures of crank????

Alan Elzer · Oct 24, 2020

Whats that mean (push on the crank)?

Buckshot · Oct 25, 2020

David Bryant · Oct 25, 2020

Buckshot said:
There is no clip holding the bearing in the housing, push on it if you want to

similiar issue as on CMB 27 Alpha-EVO engines ? (must run square drive)

Alan Elzer · Oct 25, 2020

Is that a bad thing

David Bryant · Oct 25, 2020

Alan Elzer said:
Is that a bad thing

I don't like it. But using a square drive remedies the situation (by allowing the flex shaft to "float" within the coupler, and not push up against the crankshaft, transferring the torque to the rear rotor assy)

dr gary turner · Oct 25, 2020

I like the 91 M1 motor
I ran a pair in a twin at Brandon this year
Out of the box the performance was quite good.

There is 91 M1 and 91 Inline. The 91 inline appears to have the M1 features

Alan Elzer · Oct 25, 2020

So on the 45 M1 any difference in p/sleeve or porting & timing numbers from gold head

NEW 45 engine

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