1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Mikuni Help Please

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Old 03-12-05, 01:01 AM
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Mikuni Help Please

Just put a Mikuni 44 PHH on my 12A. Everything was going great until it was time to hook up the accelerator cable....It's seems to be way too long. Even with the adjustments you make by turning the bolts. Anyone ever experience this? Any suggestions? Thanks guys!
Old 03-12-05, 01:17 AM
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Cable

Originally Posted by Mikeydred
Just put a Mikuni 44 PHH on my 12A. Everything was going great until it was time to hook up the accelerator cable....It's seems to be way too long. Even with the adjustments you make by turning the bolts. Anyone ever experience this? Any suggestions? Thanks guys!
If i remember correctly there is supposed to be a seperate bolt on attachment for the cable. you cut the ball off and put it thru a wire stop for adjustment. rx7doctor
Old 03-12-05, 09:53 AM
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Mine fit fine without changing anything. I didn't cut the end of the accel cable, that wraped around the groove just fine. My electric choke even worked. I didn't cut ends just so I could retofit if needed. It can be done.

Post some pic if you can.
Old 03-12-05, 10:13 AM
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I don't have a seperate bolt on attachment for the cable. Would you know where I could get it Doc? Trochoid, my choke is attached fine. I never posted pics before. I will take pics in a minute.
Old 03-12-05, 10:20 AM
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Mikuni parts

Originally Posted by Mikeydred
I don't have a seperate bolt on attachment for the cable. Would you know where I could get it Doc? Trochoid, my choke is attached fine. I never posted pics before. I will take pics in a minute.
Try rebello racing. 1-925-674-0130. If it did not have the attachment it probably was not originally used on a rotary. rx7doctor
Old 03-12-05, 12:08 PM
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The setup came off a rotary. I have the complete setup. The guy had it mounted to a 13B with the adaptor plate for the intake manifold. I will try to post the pics.
Old 03-12-05, 12:27 PM
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Here's the pics.......
Attached Thumbnails Mikuni Help Please-dsc00007.jpg   Mikuni Help Please-dsc00005.jpg   Mikuni Help Please-dsc00006.jpg  
Old 03-12-05, 12:55 PM
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Hey man, I have the 44's on mine. I will go out and look at to see if i can give you some sugestions. Also I don't know but are you sure that these are 44's or 40's.
Old 03-12-05, 01:49 PM
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Ok, here is what you do. The way you set the choke cable is the same way you need to set the accel cable. Take that screw out in the 3rd pic, set your cable sheath in the mounting bracket, wrap the cable around the slot and set it to length with the screw. The end of the cable will just hang out.

Simple and easy.
Old 03-12-05, 01:59 PM
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Originally Posted by trochoid
Ok, here is what you do. The way you set the choke cable is the same way you need to set the accel cable. Take that screw out in the 3rd pic, set your cable sheath in the mounting bracket, wrap the cable around the slot and set it to length with the screw. The end of the cable will just hang out.

Simple and easy.
Yep ! What he said is how mine is, too.
Old 03-12-05, 04:22 PM
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Thanks for all the advice guys......I will go give it another try.
Old 03-12-05, 05:18 PM
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That worked! I looked at that screw but I saw the eye opening for the cable end on the linkage and thought it went there. Too simple........Thanks guys!
Old 03-12-05, 05:25 PM
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I did the same thing Mikey. Hope everything works for you. I still haven't put mine back together yet.
Old 03-12-05, 07:48 PM
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Don't feel bad, I had to ponder the hookup for awhile myself. My main idea was to preserve the cable ends, and it does work out that way.
Old 03-13-05, 12:29 AM
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It runs!! I kept everything stock as far as fuel pump, just to get it running for now. Still have to set timing. It's making a whistle noise as it idles. I checked the choke by opening and closing it and the choke makes a hissing sound...like a Dellorto. So I'd say the choke works correctly. I'm not sure about the whistle noise it's making. Could it be a vacuum leak?
Old 03-13-05, 12:55 AM
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If you are still running the stock pump, don't count on it providing enough fuel. I had to upgrade the pump and add an fpr and fuel pressure guage. The stock pump would drop to 3 psi at wot, the mikuni likes 4-4.5.
Old 03-13-05, 01:05 AM
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Oh yea...I have all that stuff. Just trying to figure out the constant whistling noise.
Old 03-13-05, 01:12 AM
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Play with the choke, moving it in and out, it that doesn't change the whistle, start looking for vacuume leaks.

The mikunis do make a nice sucking sound though. Kinda like money being vacuumed out of your wallet.
Old 03-13-05, 01:13 AM
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Haha....Thanks Trochoid.
Old 03-15-05, 02:27 AM
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Yeah mine sounds like a vacuum when the choke is on.
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