Ducati Monster Forum

Moto Board => Tech => Topic started by: mimoracingteam on December 10, 2018, 01:18:52 PM

Title: Monster s2r 800/ 749S rear shock
Post by: mimoracingteam on December 10, 2018, 01:18:52 PM
Hi, I have a 749S/999 Showa rear shock, on internet people change the shock and the spring. The spring rate is 75Nm, but this is for 80kg driver, my stock shock(S2R800) have a ration 100Nm but i have a problem because bike is waving in the corner. On the other side I found Ohlins technical that for a 55kg driver(thats my weight) is the spring with only a 58Nm. So I think that stock 749S with 75Nm gona be good and I hope that the bike be more stable in the corner.
 
Title: Re: Monster s2r 800/ 749S rear shock
Post by: ducpainter on December 10, 2018, 01:51:44 PM
You can't use spring weight recommendations for a SBK on a Monster. The linkage ratios are different. Use the recommendations for a Monster.

The valving is a different story. It may, or may not work for you.
Title: Re: Monster s2r 800/ 749S rear shock
Post by: MonsterHPD on December 10, 2018, 09:55:42 PM
You should also consider that te 749/999 shock has a stroke of 71 mm, whereas the Monster shock has a stroke of 66 mm. This might create a problem if you encounter a large bump; I don't know where the rear wheel might end up on full compression with the longer stroke shock. 
Title: Re: Monster s2r 800/ 749S rear shock
Post by: ute on December 11, 2018, 12:56:06 PM
I think this is the same shock i am using ...I have no issues with it at all

That being said I got it off a guy who was 200 lbs and he had it setup for his weight ...I am 220 so close enough

The only small problem is a very slight rub on the swing arm
Title: Re: Monster s2r 800/ 749S rear shock
Post by: MonsterHPD on December 12, 2018, 01:36:33 AM
OK, if it works, it works.

I'd still keep an eye on it, though ....

If you ever have the shock serviced, it's easy to have the stroke adjusted acc. to the Öhlins spec to the specific application.