Motorcycle Tachometer

Status
Not open for further replies.
B

bluvet79

New Member
I am trying to build a tachometer for a v-twin. I have been looking at the circuts diagrams using the LM2917. I have a single pulse ignition. Can you guys help me with what resistor I would use for a 2 cylinder tach. and what I need for a digital or led readout.
 
Last edited:
bluvet79 said:
Anyone have any ideas on building a single pulse lcd 2 cylinder Tach. Please
Click to expand...

Do the maths! - for a start how many pulses per revolution does it provide! - and are you sure?, there are two possibilities with a twin cylinder engine.
 
I have a dyna 2000 ignition which sends a signal for a one pulse tachometer. I would like to see a circuit for that type of tach. Any help would be greatly appreciated.
I have another question. My bike has four plugs per cyl., a front and a rear coil. Each coil fires twice per revolution. Can I use the coil signals with a standard 4 cyl. Tach and if so what would I have to add?
 
Last edited:

I would simply try connecting a 4 cyl tacho and see how it reads!.
 
Status
Not open for further replies.

Similar threads

T
  • Question
Motorcycle 12VAC to DC Headlight Wiring circuit
2
Replies
26
Views
22K
Techedz
T
Motorcycle Capacitive Discharge Ignition System
Replies
6
Views
2K
Matttyga
A
Wiring a motorcycle seat for heating
Replies
3
Views
2K
crutschow
L
MINI Cooper S Cluster Data Sheet
Replies
1
Views
1K
Nigel Goodwin
C
Ignition Coil Signal Conditioning for Tachometer Project
Replies
7
Views
6K
crashedrobot
C
Menu
Log in
Register
Cookies are required to use this site. You must accept them to continue using the site. Learn more…