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Inexpensive borescope recommendations
Posted: Mon Sep 04, 2023 10:22 am
by martyneilan
Looking for an inexpensive borescope for aligning valves that can get through all the tight turns. Will probably use it on my motorcycle as well. Any suggestions?
Re: Inexpensive borescope recommendations
Posted: Mon Sep 04, 2023 10:57 am
by bisontuba
Re: Inexpensive borescope recommendations
Posted: Mon Sep 04, 2023 11:25 am
by martyneilan
Would I be able to put that through a 1st or 3rd valve loop?
Re: Inexpensive borescope recommendations
Posted: Mon Sep 04, 2023 11:39 am
by LeMark
Not a right angle. It has a mirror on it but it sucks
For valve alignment take out the number 2 valve and use a dental mirror to look at 1 and 3. Then take out 1 or 3 to look at 2
Re: Inexpensive borescope recommendations
Posted: Mon Sep 04, 2023 12:29 pm
by martyneilan
LeMark wrote: ↑Mon Sep 04, 2023 11:39 am
Not a right angle. It has a mirror on it but it sucks
For valve alignment take out the number 2 valve and use a dental mirror to look at 1 and 3. Then take out 1 or 3 to look at 2
Interesting idea - would that work on rotors?
Re: Inexpensive borescope recommendations
Posted: Mon Sep 04, 2023 12:55 pm
by LeMark
Yeah, but usually with rotors the boroscope will slide through the leadpipe or backwards through the main tuning slide
Re: Inexpensive borescope recommendations
Posted: Tue Sep 05, 2023 2:37 pm
by 2nd tenor
LeMark wrote: ↑Mon Sep 04, 2023 11:39 am
Not a right angle. It has a mirror on it but it sucks
For valve alignment take out the number 2 valve and use a dental mirror to look at 1 and 3. Then take out 1 or 3 to look at 2
The dental mirror plus a light shone down the valve bore works. What’s worked better for me is making my own mirror (from a mirrored acrylic disc) and a bent piece of wire. The disc is at 45 degrees to the positioning arm. I’ve also just used right angle probes between valve casings and that’s been pretty accurate too.