# \[Guide\] Tuning gap width in Henrys yoyos

**URL:** <https://forums.yoyoexpert.com/t/guide-tuning-gap-width-in-henrys-yoyos/73859>\
**Category:** Yo-Yo Mods and Maintenance\
**Created:** [April 4, 2015, 8:06pm UTC](https://forums.yoyoexpert.com/t/guide-tuning-gap-width-in-henrys-yoyos/73859 "2015-04-04T20:06:58Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Zareli](https://avatars.discourse-cdn.com/v4/letter/z/b3f665/32.png) [@Zareli](https://forums.yoyoexpert.com/u/Zareli)\
**Post date:** [April 4, 2015, 8:06pm UTC](https://forums.yoyoexpert.com/t/guide-tuning-gap-width-in-henrys-yoyos/73859/1 "2015-04-04T20:06:58Z")

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Hi throwers,

Lately I’ve been using some german yoyos from the Henrys brand, a Viper XL for 4A and an M2 for 1A.  
They have a different axle system that’s actually tunable for the optimal gap width and it works quite well. I made a little guide for this:  
[http://southernyoyo.blogspot.com/2015/04/guide-tunning-hernys-m2-and-viper-xl.html](http://southernyoyo.blogspot.com/2015/04/guide-tunning-hernys-m2-and-viper-xl.html)