Hi Salty, and a warm welcome to the forum. It's great to have another Scott Bonnar owner on board.
Now to your machine...you seem to have a "bitsa"...that is a machine made up from parts from other machines. No probs here....we can restore it to original specs easily. All parts are available.
Lets go through it....
The chassis appears to be a late (1970's) model 17" Model 45 in reasonable condition as Jarrad has pointed out.
The Briggs should be a 3HP and does not appear to be the original engine. They were orange in colour.
Here are my observations:
1. the catcher is genuine and in great condition but from an early model 45 (the early SB logo is the give-away)
The correct one should be the same as this:
![[Linked Image]](https://www.outdoorking-forum.com.au/forum/uploads/usergals/2012/01/full-1147-4924-late_sb_catcher_logo_medium.jpg)
A complete set of decals are available on eBay.
2. The 3 screws that join the 2 halves of the cutter clutch (next to the engine) are not the countersunk type as the are supposed to be, also the are the wrong length...this may upset the balance and cause vibration. the nuts should also be nylocks.
3.You are missing both the catcher rubber support blocks on both chassis rails.
4. You are missing the red plastic button (dust cover) that is located in the centre of the front roller height adjuster.
5. You are missing one of the black plastic knobs for the grass deflector adjustment.
6. The cylinder reel appears to be in good nick but will benefit from a spin-grind; as will the bottom blade. (We will go into that more later.)
We need to see a pic of the inside of the chain case to see the condition of the chains and sprockets....
It is also missing its original Scotty ID Plate...this is unusual....
We can help you with advice for the resto as you go along....with a paint job and some TLC, she will look grand and give you hours of mowing pleasure.
