For my 76 BMW R100S but also for my 63 VW beetle and other VWs I made a very similar device. The setup is such that I can use it while driving, which is important. For setting the idle mixture a CO tester should be used. For checking the jets and the needle position the O2 sensor is best. I have done the jetting and adjustment on four engines like this. Works great! Can save an engine live… For synchronization of the carbs I made a device to short out the ignition of each cylinder alternately. Has to be done at idle to set Idle RPM while keeping equal CO reading and at about 2000 RPM to set the cable screws. When the RPM drop is equal the carbs are synced. Regards from Germany 🇩🇪
Ich hatte einen alten CO Tester. Den Tester habe ich an meinem VW Bus benutzt und auch an meiner R90. Allerdings war es anfällig für Kondensation im Sensor. Es war nicht sehr zuverlässig, deshalb habe ich den CO Tester verkauft und habe mir jetzt dieses Gerät gekauft. Ein Freund von mir hat ne andere Art von Auspuff Adapter gebaut der sehr zuverlässig sogar im Leerlauf funktioniert. Ich mach da bald nochmal ein Video.
Thank you for the good video, I am thinking of purchasing LM2 but the one with the two Oxygen sensors for both cylinders. How is your LM behaving so far? Any issues?
@@danielk6222 honestly, nothing but issues. It worked only somewhat for about 6 months and then started crashing as soon as I start the bike. I am still trying to get a warranty replacement, it has been a back and forth with the manufacturer for over a year now. If there is an alternative product with similar functions get that. I don't think you will need the dual sensor version. You test on one cylinder and if any jets need to be changed those changes would be done to both cylinders but that is just my approach. The single sensor version is cheaper 😉
@@HeikosGarage Oh, well... Innovate hasn't changed much since I read reviews for them 🤷♂️.... I read about the sensors and the kind of moisture that kills them and they should be pre-heated or whatever before the hot gases hit the sensor.... Some devices have this option and many do not. I saw a guy on TH-cam tunning /2 BMWs in Germany but not much data I could get regarding reliability and he has the LM-2 and I think he is riding the Vintage Bikes to see the specs under load.... The sensors are installed not on the end of the exhaust but to the very front before the pipe bends for the curve up... I will have a look and post the link... Do you have issues with the sensors or the device itself?
@@danielk6222 at the moment it is device. It just crashes and restarts every few seconds. Unusable. Innovate blames it on the motorcycle or the ignition I should say. I am looking for an alternative device, any suggestions?
@@danielk6222 this the device I will buy. www.summitracing.com/parts/ngk-90067 It doesn't do data logging but apparently it is very reliable and doesn't crash ever.
I think what you have done by inserting the sensor in to the exhaust is to create a restriction for the exhausting gases. At higher rpm there will be higher exhaust gas pressure so the sensor will see it .At idle rpm I suspect that there is not enogh pressure to push the exhaust gas out. Think it will work with the sensor in the header pipe
Yeah, you might right. I am working on a follow up to this. A friend made a different muffler sensor pipe thing that is less restrictive to the overall flow but gets good reading at idle still. I might still go for it and weld on bungs on the header pipe. I am trying to get the jetting on those mikuni carbs perfect and if that requires some welding on the headers, so be it. Thanks for your comment.
That bike doesn't have an ECU. The only option to get rpm is with inductive pickup. 38340 is the one I am using on my LM2. It looks like my LM2 doesn't like the electronic ignition that I have installed on this bike. The LM2 can be powered up for hours on a power supply without issues but as soon as I hook it up to my bike and the engine is running it keeps crashing and restarting. I already had it sent back to Innovative to check it but they can't find anything wrong. Cheers
@@HeikosGarage Thank you for the good video, I am thinking of purchasing LM2 but the one with the two Oxygen sensors for both cylinders. How is your LM behaving so far? Any issues?
In principle if you would want all cylinders to run at optimal performance you could do that but on carbureted bikes you just want to find out what the best jetting is and you would install the same jetting for all the cylinders. So all four carbs would get the same size of jets and the fine adjustment would be done through idle mixture adjustment and proper carb balancing. This might not be the way a race team would do it but that is how I would do it. (Take everything with a grain of salt) Cheers
For my 76 BMW R100S but also for my 63 VW beetle and other VWs I made a very similar device. The setup is such that I can use it while driving, which is important. For setting the idle mixture a CO tester should be used. For checking the jets and the needle position the O2 sensor is best. I have done the jetting and adjustment on four engines like this. Works great! Can save an engine live…
For synchronization of the carbs I made a device to short out the ignition of each cylinder alternately. Has to be done at idle to set Idle RPM while keeping equal CO reading and at about 2000 RPM to set the cable screws. When the RPM drop is equal the carbs are synced.
Regards from Germany 🇩🇪
Ich hatte einen alten CO Tester. Den Tester habe ich an meinem VW Bus benutzt und auch an meiner R90. Allerdings war es anfällig für Kondensation im Sensor. Es war nicht sehr zuverlässig, deshalb habe ich den CO Tester verkauft und habe mir jetzt dieses Gerät gekauft. Ein Freund von mir hat ne andere Art von Auspuff Adapter gebaut der sehr zuverlässig sogar im Leerlauf funktioniert. Ich mach da bald nochmal ein Video.
Excellent video!!!! Your channel is fantastic. I very much appreciate everything you do for us, the air head community!! Danke!!!
Thanks for your comment. Gruß, Heiko
Thank you for the good video, I am thinking of purchasing LM2 but the one with the two Oxygen sensors for both cylinders.
How is your LM behaving so far? Any issues?
@@danielk6222 honestly, nothing but issues. It worked only somewhat for about 6 months and then started crashing as soon as I start the bike. I am still trying to get a warranty replacement, it has been a back and forth with the manufacturer for over a year now. If there is an alternative product with similar functions get that. I don't think you will need the dual sensor version. You test on one cylinder and if any jets need to be changed those changes would be done to both cylinders but that is just my approach. The single sensor version is cheaper 😉
@@HeikosGarage
Oh, well... Innovate hasn't changed much since I read reviews for them 🤷♂️....
I read about the sensors and the kind of moisture that kills them and they should be pre-heated or whatever before the hot gases hit the sensor.... Some devices have this option and many do not.
I saw a guy on TH-cam tunning /2 BMWs in Germany but not much data I could get regarding reliability and he has the LM-2 and I think he is riding the Vintage Bikes to see the specs under load.... The sensors are installed not on the end of the exhaust but to the very front before the pipe bends for the curve up...
I will have a look and post the link...
Do you have issues with the sensors or the device itself?
@@danielk6222 at the moment it is device. It just crashes and restarts every few seconds. Unusable. Innovate blames it on the motorcycle or the ignition I should say. I am looking for an alternative device, any suggestions?
@@danielk6222 this the device I will buy. www.summitracing.com/parts/ngk-90067
It doesn't do data logging but apparently it is very reliable and doesn't crash ever.
@@HeikosGarage do we actually need a data logging?
I think what you have done by inserting the sensor in to the exhaust is to create a restriction for the exhausting gases. At higher rpm there will be higher exhaust gas pressure so the sensor will see it .At idle rpm I suspect that there is not enogh pressure to push the exhaust gas out. Think it will work with the sensor in the header pipe
Yeah, you might right. I am working on a follow up to this. A friend made a different muffler sensor pipe thing that is less restrictive to the overall flow but gets good reading at idle still. I might still go for it and weld on bungs on the header pipe. I am trying to get the jetting on those mikuni carbs perfect and if that requires some welding on the headers, so be it.
Thanks for your comment.
Hi!I would like to ask ,if you fixed the O2 sensor problem?
I am still waiting for a replacement LM-2 from Innovate. Thanks for asking
I am considering buying LM2 but with the two oxygen sensors. How is yours all good with it?
For correct RPM you need to connect to an ecu. For CT lead use part number SKU 38340
That bike doesn't have an ECU. The only option to get rpm is with inductive pickup.
38340 is the one I am using on my LM2. It looks like my LM2 doesn't like the electronic ignition that I have installed on this bike. The LM2 can be powered up for hours on a power supply without issues but as soon as I hook it up to my bike and the engine is running it keeps crashing and restarting. I already had it sent back to Innovative to check it but they can't find anything wrong. Cheers
@@HeikosGarage
Thank you for the good video, I am thinking of purchasing LM2 but the one with the two Oxygen sensors for both cylinders.
How is your LM behaving so far? Any issues?
what if the bike has 4 cylinders , does that mean a sensor port in every header ?
In principle if you would want all cylinders to run at optimal performance you could do that but on carbureted bikes you just want to find out what the best jetting is and you would install the same jetting for all the cylinders. So all four carbs would get the same size of jets and the fine adjustment would be done through idle mixture adjustment and proper carb balancing.
This might not be the way a race team would do it but that is how I would do it. (Take everything with a grain of salt) Cheers
Harmonizer no longer available
I know. It is shame. Works so well. If I would be more into electronics, I would try to reverse engineering it and make it available again.