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C Spanner

4676 Views 19 Replies 9 Participants Last post by  LowRyter
I purchased a 1098/1198 C spanner through Amazon for a reasonable price ($20 US), and it fits pretty well.

The curvature of the C spanner is wider than the curvature of the hub...I guess by design to get it on the hub easily(?).

Are they all like that?

What are the thoughts from the SS intelligentsia about this?

https://www.amazon.com/Ducati-Chain-Adjuster-Tool-1098/dp/B005CW9S0Y
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Welcome 3 years later.
I'm before a talk with... of course Dave Moss. What C spanner is good for our back spring? How many mm...? 馃憖 I don't like ask stupid questions but I can't reach my bike now... would like to order online.
Just to be clear, there are two different sizes of spanner wrenches. I actually bought the wrong size the first time, then I bought one that said Ohlins on it. I also just bought one so I can adjust my chain. Here is what I bought for reference,

Chain adjustment tool - Amazon.com: EuroJamb ducchainwrench00000000 STAINLESS STEEL Ducati Chain Adjuster Tool STAINLESS Monster 1098 MV Agusta: Automotive

Rear shock tool - Amazon.com: Ohlins Shock Spanner Wrench: Automotive

I also bought one of these for chain maintenance and cleaning my red rims(can't have brake dust on them) - https://www.amazon.com/gp/product/B07PKQPLC3/ref=ppx_yo_dt_b_asin_title_o09_s00?ie=UTF8&psc=1
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I made a couple of spanners for the rear shock on my laser. If anyone wants a spanner for the shock or eccentric hub send me the dimensions and I can cut it for you.
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OK, for the chain it is 120 mm, for the spring looks like 80 mm.
Does anyone know what size spanner is needed for the shock on the base model?
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I love that "GRoller"! What a great invention! $36 - well worth it.
I also bought one of these for chain maintenance and cleaning my red rims(can't have brake dust on them) - https://www.amazon.com/gp/product/B07PKQPLC3/ref=ppx_yo_dt_b_asin_title_o09_s00?ie=UTF8&psc=1
Now if someone would just make a double-ended wrench with one end the size of the chain adjuster/rear hub and the other end to fit the Ohlins shock!
I made a couple of spanners for the rear shock on my laser. If anyone wants a spanner for the shock or eccentric hub send me the dimensions and I can cut it for you.
Could you make a double-ended wrench with one end the size of the chain adjuster/rear hub and the other end to fit the Ohlins shock? Sorry, I don't have the dimensions. but hopefully we could get that together. Might be a little money-maker for ya! I volunteer to be beta tester!
-Tom
Could you make a double-ended wrench with one end the size of the chain adjuster/rear hub and the other end to fit the Ohlins Sachs shock? Sorry, I don't have the dimensions. but hopefully we could get that together. Might be a little money-maker for ya! I volunteer to be beta tester!
-Tom
fixed it.

Still need the Torx to adjust the chain.
Could you make a double-ended wrench with one end the size of the chain adjuster/rear hub and the other end to fit the Ohlins shock? Sorry, I don't have the dimensions. but hopefully we could get that together. Might be a little money-maker for ya! I volunteer to be beta tester!
-Tom
Well I sold my SS for an SFV4 so I'm not confident the shock would work. My old hub adjust works fine, but I'd need some dimensions for the rear shock. I couldn't sell the stuff though. I just borrow material and a machine from work. :)
Does anyone know what size spanner is needed for the shock on the base model?
@Oldrider in my S version I simply took the diameter of the shock "screw" [sorry, lack of word] and in my case it was 80 mm, I bought the tool that has a range 80-90, I'm sure if in standard is different you can +/- measure the width and you find easily, at least I saw almost all of them had broader option than one specific value. My ordered was the second cheapest one and still looks enough, Dave never used superpower to move the rings and tells not to force it so much either when finishing.
Does anyone know what size spanner is needed for the shock on the base model?
I have two left over from my SuperSport you can have. The radius I used was 39 mm. I can send you a solidworks file if you have someone who can cut it.
OK. I was hoping to find a guy with the base model who had a tool to recommend. Not finding one I decided to be that guy. Taking Grossi.BP鈥檚 advice, I measured and came up with the 80mm he did for S.

I bought this set:


They seem to fit quite well though the space is a bit tricky to navigate.


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80mm? thanks.
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80mm? thanks.
78-85. Conveniently stamped on tool.
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I have an swinging type hook wrench in my toolbox somewhere. I just thought of it and really haven't had a need to try it. I think I'll get it and do a test fit. I also have one of those hooks that slip into a 3/8 ratchet that I got with another shock - if I can find it.

I guess I'll do a scavenger hunt.
I had a session with Dave 35 min ago. Yep, the best would be to take out the rear passengers foot frames. I was too stressed but He said me: relax, make it slow steps, I will count :) and if there is a problem you can go other way. Ayyyy I have today and tomorrow BIG RAIN... tomorrow I wanted to test the settings on a track day... :/
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...They seem to fit quite well though the space is a bit tricky to navigate.
Try from the other side, I find I can get one tooth each time quite easily.
I found that pivoting hook wrench. It has YAMAHA embossed on it. So I've had it a long time. It seems to fit the rear shock locking ring.
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