2015 STR3R Fork Surprise. - Page 2 - Triumph Forum: Triumph Rat Motorcycle Forums
Street Triple Forum Owners and Enthusiasts of the Triumph Street Triple.

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post #11 of 13 (permalink) Old 09-06-2018, 10:23 AM
Powerbike
Main Motorcycle: 2014 Street Triple R
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Join Date: Jun 2015
Location: Ann Arbor, MI, USA
Posts: 344
Quote:
Originally Posted by MacBandit View Post
Maybe use a thread file to remove the owning so you donít have to clean up the threads afterwards.
Sounds like a good idea if possible - never used a thread file myself. My limited skills for modifying a cartridge came from a buddy who owned a dirt bike suspension shop. I did it a few times under his guidance but that was years ago. I have another friend who modifies dirt bike suspension now, and he said he does the same thing (removes the peen).

BTW, I made some updates to my original post. The peening is there just to hold the nut on.
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post #12 of 13 (permalink) Old 09-06-2018, 03:07 PM
Moto Grand Prix
Main Motorcycle: '15 Street Triple R
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Location: Rim Country, Az.
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Extra Motorcycle: '70 Husq 360 cross
I guess all of us are trying to eliminate the harsh hit on high speed compression. Here's what I did.

When changing the fork seals on my '15STR, I had the tech change the fork oil from the factory recommended Kayaba KHL 15-10 to Torco RFF 5 (10.75 cST @ 40C).

I left the oil level stock at 89mm. down.

After a ride I changed my clickers from 15c/15r to 15c/10r.

I'm very happy with the results and am convinced a lighter fork oil is a good way to go with these forks.
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post #13 of 13 (permalink) Old 09-09-2018, 11:02 PM Thread Starter
Grand Prix 250
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What I had done, and I'm still trying to find the sweet settings. I had it serviced at GP Suspension in Oxnard, CA. I know the Ohlins shock I swapped out was 4mm longer than the KYB OEM shock. On the front I went half a turn back in from the original settings from below. Still a bit stiff, for the road. Still don't feel that it's just right...but at least for my weight it's had updated/upgraded components. I weight 195 lbs without gear.

FRONT FORKS: SERVICED

- NEW SETTINGS: PRELOAD 4 TURNS, REBOUND (8 CLICKS), COMPRESSION (8 CLICKS), INTERNAL PRELOAD 10MM

-FORK OIL 5WT

-36x260x1.0 KG 9.80 N/mm FORK SPRING (EACH)

-OIL HEIGHT 130MM

OHLINS REAR SHOCK: SERVICED

- NEW SETTINGS: PRELOAD 10MM, REBOUND (16 CLICKS), HI SPEED COMPRESSION (16 CLICKS), FREE LENGTH OF SPRING 173

- OIL WEIGHT 3WT 390+V1

-PSI 95
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