PET-2100DX Tachometer "Quick Start" Manual

[nz253]

I just found this thread guys trying to work out why my PET 2100 DXR tach is not working well. Im the same as the guy above. My tach is not reading properly. Most runs where Im at 7100 rpm is reads 2340 or some low number. 1 run out of about 6 gave me a true 7180 on my 07 GP1200. Same prob with my SXR 1200 most runs read real low RPM and wont go higher than 3000.1 time it gave me a true 7500. And I have it set to 23:46 correctly. anyone else had this issue and found a solution??. Tried it on cyl 1,2 and 3. Never on all 3 at once.
It always gave accurate readings on my 2 stroke 2 cyl race engines, just not the 3 cyl
???

[saro13b]

i have one on my gp1300r and it works at low rpms but starts playing up at high rpms and doesn't give a proper reading. I can use it to set my jetworks kit at 2500 and it works fine but out on the water at WOT you cant get a proper reading of what the engine is reving at. Don't know whats wrong with it, thinking it might be faulty

[Cutlass]

yer i thought you only had to have it on one lead to. reading this thread confused me

I hate giving bad advise. Sorry to confuse you.

[WFO]

its all about using the correct wiring

it is very hard to get a PET to read on a 65U... I usually put the wire on the plug boot side of #1

what ever it takes to get it to work

[Cutlass]

I wrapped all 3 on '97 GP1200 and have see that advise on here quite a few times. Maybe different engines have different methods of hooking up the tach?

[saro13b]

yer i thought you only had to have it on one lead to. reading this thread confused me

[WFO]

I have never had to wrap all three

[Cutlass]

All three because its looking for pulses from all three cylinders

[saro13b]

so on a gp1300r if i set it to 2 stroke 3 cylinder do i still only have wrap it on 1 spark lead or on all 3? thanks

[Cutlass]

yep. you can use regular solid core wire. I do and it works great

[beerdart]

Any length wire will work. Just wrap it around the plug wire.

[BIGJACK]

I found one of these at a great price but it's missing the clip. The guy says he just ip ties the wire to The plug wire and it works fine . Will these be ok or is the lead wire cut to a certain length ? I can solder a new clip to the wire but don't want to take a chance if the by not having the clip will make the unit worthless. Thanks

[Cutlass]

depends on how you hook it up. If you only wrap it around one coil then p: 41 should work. If you wrap it around all 4 coils then P 22:44

[OsideBill]

P 22:44 (4 stroke 4 cylinder)

[FZS-RIDER]

for fzr do i use p: 41