1975 BMW R90S: DellOrto Carbs Rebuild
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- Опубліковано 5 жов 2024
- In this episode @airheadbarn we will rebuild Dell'Orto PHM38 carbs.
DISCLAIMER: In no case I can be held liable for injury or damage resulting from alterations or work you make to your motorcycle. Please seek for qualified assistance before doing any of the procedures outlined here. If you still decide to proceed, you do so at your own risk.
Great walk through. Some day I will have something with DellOrtos and will be watching again 😂
You wanna buy it 😄
@@airheadbarn ha I can’t afford a beautifully restored 90S. I could maybe afford a box of parts then go to your videos to put it together 😅
@@BWRBMW it is always more satisfying to build your own especially if it is basket case. Regarding price, maybe we could do a raffle when I decide to downsize 😄
Great video , thank you for making it , do you know the basic setting for the idle screw is it also one and a half turns out ? , also is that a vent hole port on the outside of the carb slide body , it has a slope side with a hole in it ? All the best , Don.
Idle screw initial setting is one turn in after it starts lifting the slide. You will hear the screw changes the sound as you are turning it in. When it changes the sound, it means it started lifting the slide. Another way of doing this if you are not able to hear this sound change, is to lift throttle cable just tiny bit up just to remove any cable free play. Turn the screw in until cable starts lifting. That’s your touch point. Then one full turn in and that’s the initial setting for idle screw. That hole is a vent and very important is to make sure it is clean. During rebuild and not shown in this video, I always squirt carb cleaner and do compressed air pass on each opening in carb after ultrasonic cleaning just to make sure there isn’t any plugged hole. Hope this helps and thanks for watching!
Thank you for the information , your doing a great job on the motorcycle , all the best , Don.
I am the proud owner of 1975 R90S serial No. 4980095. I understand that the Delorto community is small and I appreciate your taking the time to enlighten us as to the internal workings of the Carbs. I would like to suggest a video on the vacuum port modification to these Carbs. Dale