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New coils,,, bigger jets? 22 Feb 2007 17:46 #114587

barquirt Topic Author Offline User Posts: 89 Thank you received: 0	Hi all. OK spring is coming to MN soon, time to start my restoration project in earnest! First up is putting on a new ACCEL coil kit to pump up the spark. However, in doing this, will I need to bump up my pilot and main jet sizes a step or two? Adjust the air screws a tad? I have a 1977 KZ650B1 model.
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New coils,,, bigger jets? 22 Feb 2007 20:57 #114647

Patton Offline KZr Legend Posts: 18640 Thank you received: 2098	Howdy, barquirt -- new coils should not require jet changes or mixture adjustments. Good luck with your restoration project! 1973 Z1 KZ900 LTD The following user(s) said Thank You: GPz550D1
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New coils,,, bigger jets? 22 Feb 2007 20:58 #114648

Patton Offline KZr Legend Posts: 18640 Thank you received: 2098	dele dup Post edited by: Patton, at: 2007/02/23 00:43 1973 Z1 KZ900 LTD
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New coils,,, bigger jets? 22 Feb 2007 21:59 #114655

bill_wilcox100
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User
Posts: 1115
Thank you received: 5

I swaped in a set of new Black Dyna coils and spark plug wires. No change in jets. BIG change in performance.

Best of success with you B1.

1977 KZ650-B1 (Stock)
Upgrades:
- Dyna S Electronic Ignition (DS2-2)
- Dyna 3 Ohm Coils (DC1-1)
- Coil Repowering Mod
- Progressive Springs Front & Rear
- Saddlemen Seat Cover
- New Metallic Red Re-Paint & Repro Badges.
Montreal, Canada

The following user(s) said Thank You: GPz550D1

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New coils,,, bigger jets? 23 Feb 2007 05:56 #114691

Bluemeanie Offline User Posts: 2519 Thank you received: 14	Same here, Andrews coils with Accel wires. Starts and runs soooo much better, no jetting required!! 1980 KZ650F1, Bought new out the door for $2,162.98!
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New coils,,, bigger jets?