[Diy_efi] Use O2 sensor on motorcycle?

[bcroe at juno.com]

To run a WB you'll need 14 volts at near 1.5 amps, less will not 
succeed.  If you have no battery, I doubt the power is clean 
enough or properly regulated to work.

A NB heated OX sensor is not so much less power.  But even 
if you run under those levels, it work better than no heater 
at all.  I don't think it will be too fussy about power.  Remember, 
some sensors manage to work with no heater.

Bruce Roe

On Fri, 31 May 2002 13:47:44 -0600 "Sven" <svenc at qwest.net> writes:
> Thanks for the practical advice Neil.  Others have mentioned 
> problems keeping sensor at temperature.  A solution 
> recommended to me was placing the bung within 8" of the 
> cylinder exhaust port.  Seeing this single cylinder 650cc 
> bike has two exhaust ports, I'm not sure if enough exhaust 
> gases 325cc equivalent displacement ) will flow by sensor 
> if mounted before collector.  What do you think about this ?
> 
> Let's say I go heated, do you recall what such a heated 
> unit draws for current ?  On the rectified circuit of this 
> dirt bike, there are only lights ( head and tail ) that 
> consume 40 watts combined.  Since bike doesn't list
> output of generator, I can only assume it's sized for 
> about this load.  Can anybody recommend simple 
> heated units ( ones that I can plug a voltmeter to ) that 
> can run under this power constraint ?  If I wanted, 
> could I do the DIY_WB with these power constraints ?
> 
> Sven

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