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#111418 24/03/21 09:12 PM
Joined: Apr 2020
Posts: 8
Novice
Hi All

I have just picked up a SB33 with a HK25 engine. i am intending to restore to a more useable mower. The catcher has had several repairs and the deflector is cracked.

I have just discovered the tensioner is missing - any suggestions on how to source one of these?

Also, do i need to measure the HK25 eng shaft to work out a replacement option or are they all a standard sze... which is?

TIA
Tony

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Last edited by Misstonz; 24/03/21 09:14 PM. Reason: added same photo too many times
Portal Box 6
Misstonz #111427 25/03/21 10:47 PM
Joined: Nov 2016
Posts: 98
Trainee
Hello Tony the shaft size should be either 5/8 or 3/4 depending on the clutch size which should be the same. best to use a vernier caliber to make sure though.
Other people on here probably know more about it who have more experience than me.I replaced the engine on my model 33 with a briggs and stratten engine i was able to get a 3/4 shaft size and got a clutch to suit .it I hope that this helps

Cheers Shaun


Yesterday is history
Tommorrow is a mystery
Today is a gift
That is why it is called the present.
Hermosil #111480 29/03/21 01:39 PM
Joined: Apr 2020
Posts: 8
Novice
ok thanks mate will pull it down and measure up

i have since noted the tensioner is missing, and the reel is cracked and bent....got a bit on now...lol

Misstonz #114235 26/02/22 09:10 PM
Joined: May 2020
Posts: 24
Likes: 1
tobyoats
Evening, Tony.

Did you source a SB 33 tensioner from your post of April 2020?

I have restored a SB 33 0919 and I have that spare part.

Malcolm.


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