# pocket bike question

**URL:** <https://forums.speedlife.net/t/pocket-bike-question/112373>\
**Category:** SON240sx Automotive\
**Created:** [January 11, 2008, 7:23am UTC](https://forums.speedlife.net/t/pocket-bike-question/112373 "2008-01-11T07:23:22Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![rocco](https://avatars.discourse-cdn.com/v4/letter/r/13edae/32.png) [@rocco](https://forums.speedlife.net/u/rocco)\
**Post date:** [January 11, 2008, 7:23am UTC](https://forums.speedlife.net/t/pocket-bike-question/112373/1 "2008-01-11T07:23:22Z")

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hey guys i have a pocket bike for a lil while i’ve been fucking around with it lately but my question is is there any way i can add a tach to it its a 49cc engine

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**Author:** ![spooolin](https://avatars.discourse-cdn.com/v4/letter/s/48db29/32.png) [@spooolin](https://forums.speedlife.net/u/spooolin)\
**Post date:** [January 11, 2008, 1:56pm UTC](https://forums.speedlife.net/t/pocket-bike-question/112373/2 "2008-01-11T13:56:37Z")

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Yes. I know you can put a digital tach on there. since ive done it to a gokart ive made…

But… Im assuming the bike is 2 stroke? if so. it sparks twice as much as a 4 strke so you will have to calibrate it. for a single cylinder 2 stroke. which will spark once for every revoultion.

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**Author:** ![DJPyro](https://avatars.discourse-cdn.com/v4/letter/d/278dde/32.png) [@DJPyro](https://forums.speedlife.net/u/DJPyro)\
**Post date:** [January 12, 2008, 4:44pm UTC](https://forums.speedlife.net/t/pocket-bike-question/112373/3 "2008-01-12T16:44:47Z")

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…why though? Just curious…

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**Author:** ![rocco](https://avatars.discourse-cdn.com/v4/letter/r/13edae/32.png) [@rocco](https://forums.speedlife.net/u/rocco)\
**Post date:** [January 13, 2008, 2:45pm UTC](https://forums.speedlife.net/t/pocket-bike-question/112373/4 "2008-01-13T14:45:12Z")

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why got bored over the winter i have re- painted the whole bike its a hobbie

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**Author:** ![DJPyro](https://avatars.discourse-cdn.com/v4/letter/d/278dde/32.png) [@DJPyro](https://forums.speedlife.net/u/DJPyro)\
**Post date:** [January 13, 2008, 2:52pm UTC](https://forums.speedlife.net/t/pocket-bike-question/112373/5 "2008-01-13T14:52:02Z")

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Fair enough, like I said, just curious.