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Posted by --Jerry S--
- July 21, 2017, 14:15:03 PMI need to know where the wires go so I can back track
Posted by Old Drifter
- July 21, 2017, 12:28:51 PMQuote from: --Jerry S-- on July 21, 2017, 10:06:23 AMLook under both side covers and inside the headlight bucket. Other than that, your guess is as good as mine.It do not see a power commander behind side covers and not that it matters to me but here is one of the many very documented receipts given to me when I picked up the bike and it was only a 4600 or so mile bike. The cobra pipe and k and n mentioned was part of the deal as well and I have this pipe. Where would the power commander be. Any other place to put it?
http://i1370.photobucket.com/albums/ag259/EBeybuzzard/IMG_1216_zpsgasdkbvf.jpg
Posted by --Jerry S--
- July 21, 2017, 10:06:23 AMIt do not see a power commander behind side covers and not that it matters to me but here is one of the many very documented receipts given to me when I picked up the bike and it was only a 4600 or so mile bike. The cobra pipe and k and n mentioned was part of the deal as well and I have this pipe. Where would the power commander be. Any other place to put it?
http://i1370.photobucket.com/albums/ag259/EBeybuzzard/IMG_1216_zpsgasdkbvf.jpgPosted by --Jerry S--
- July 21, 2017, 07:56:06 AMQuote from: CDNRatMan on July 19, 2017, 22:11:26 PMThe receipt pile had a power commander as being installed on the 1500. I will go check to see if I see it.When did you get the 800? Inquiring minds want to know or did you just add that because you are thinking about it.....
The 1999 - 800 we pick up the 28th then head to our friends NC mountain top home for a week.
I never thought I would own four bikes. I have issues!
Posted by drifter-paul
- July 21, 2017, 05:09:33 AMChief, Troll
So any Cobra Fi2000 will do, it just means if it's not specified for your model, you need to tune it ? I see one for a Suzuki Boulevard M109R for $160 - including free (3 weeks) to ship to Australia. This one is called tripot (and supposedly easier to fit) yet another version says works with OEM, are these easier to fit to a Drifter. Is one model - 2000/2000R/2000 Tri pot easier to fit than another ? I can change/solder connectors etc, but might as well start with the easiest one. The Power pro model sounds flash, but for the price(s) it's out of my range.
Many Thanks 
Posted by moto
- July 20, 2017, 02:09:29 AMQuote from: moto on July 20, 2017, 02:04:09 AMThat is good question! So anyone knows; where powercommander or Dynojet is located on bike??
This pic shows one good place of it.
Posted by moto
- July 20, 2017, 02:04:09 AMQuote from: --Jerry S-- on July 19, 2017, 20:57:59 PMThat is good question! So anyone knows; where powercommander or Dynojet is located on bike??How does one know if the previous owner installed a power commander as stated and gave me reciept. I'm sure it is installed but I do not know where it would be located. Mine has the long shots.
Posted by CDNRatMan
- July 19, 2017, 22:11:26 PMWhen did you get the 800? Inquiring minds want to know or did you just add that because you are thinking about it.....
Posted by --Jerry S--
- July 19, 2017, 20:57:59 PMHow does one know if the previous owner installed a power commander as stated and gave me reciept. I'm sure it is installed but I do not know where it would be located. Mine has the long shots.
Posted by chief
- July 19, 2017, 12:58:53 PMMOST people who change out only their pipes don't require the addition of a FI box. BUT, that depends upon the pipes. My Big Willys did require I add a Cobra box to prevent decel backfiring etc. If you mess with the air box AND change the pipes you will need to add the FI box. I got the cobra box because it didn't require new mapping and has pots to tweak the system. I worked great for me out of the box. I'd try it without the box first... if you get decel popping, etc then go with one of the add-on FI boxes.
Posted by AZCaveman
- July 19, 2017, 07:42:17 AMI defer to your Expertise. And thanks for the education. Even Old farts can still learn.
Posted by moto
- July 19, 2017, 01:09:32 AMThanks guys!!!
So, what about noise. I have these V&H pipes in Quiet Bafflers.
How much Quiet Bafflers are quieter than V&H stock bafflers?
Posted by Troll
- July 18, 2017, 15:16:28 PMThe MAP sensor, the BARO sensor and the IAT sensor make the changes. At sea level, I get around 45 mpg, but at 7000' I get over 50...that is the action of the BARO sensor sending fuel delivery into a different pre-programmed cell. It measures atmospheric pressure and will lean out the mixture as the pressure decreases, since high altitude air has less oxygen in it. The value it uses is hard coded into the read only memory of the computer. Way back about 1982 or so, there were special high altitude versions of both programming and hardware for cars operated about 4000'...In 1982, the computers were not very sophisticated, but they didn't need to be. The emissions requirements were pretty easy to meet. That has all changed. Euro3 specs are quite tight...just look at what VW did to try and cheat. The computer could sense when it was being tested, and made a few changes that would guarantee that the car would pass testing, but it would then revert back to normal operation after the testing was done....Older systems like ours are very simple. They are not much different than the BOSCH Jetronic system installed in 1967 VW variants.. That, too was an open loop, mapped system. This was my specialty at work for over 40 years....
Posted by AZCaveman
- July 18, 2017, 15:12:59 PMI have never experienced any issue with a simple exhaust change on several Drifters I work on, maintain or own. The computer does have the ability to richen or lean even without the Lam sensor.
Which is why stock Drifters run well from sea level on up to the mountains. And yes they are programmed to run a bit rich like Troll pointed out. If you can afford a Power-commander than by all means get one. But riding with the stock one has never caused any problems with valves etc. and if your planning to get one but have to wait a bit for whatever reason. It will not stop you from enjoying your bike in the meantime. Just my humble opinion.
Posted by moto
- July 18, 2017, 14:36:16 PMQuote from: Troll on July 18, 2017, 13:11:03 PMOk, so if I change these stock pipes to V&H Longshots, I don't need anything else what I must to install or change, and my valves don't burn,Your Drifter does not have a lambda (O2) sensor. It runs mapped fuel delivery. On the newer bikes, the lambda sensor is in the exhaust pipe. All the newer ones have one because of stricter emissions standards. Cars have had them since 1981. The ECU, or computer, on your bike is behind the left frame cover, under the seat. If you remove the seat, you will see a black box with 3 plugs in it, next to the battery it's about the same length as the battery, but only about 30 mm thick
not even air intake?