FI bike stumbles with very quick throttle

8/17/2020 6:42pm
Is it at all normal for an FI bike to stumble at all off idle regardless of how fast throttle is applied?
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kb228
Posts
6161
Joined
1/31/2018
Location
Mansfield, OH US
8/17/2020 6:54pm
No you have an issue somewhere. Even my 09 efi bike is crisp.
8/17/2020 7:20pm
kb228 wrote:
No you have an issue somewhere. Even my 09 efi bike is crisp.
K, any suggestions where to start? It’s a new bike. 6 hours on it. Never really noticed it until I put on a superflo kit. Thought that was the problem so I switched back to stock. Same issue still. It doesn’t stall but when I give it a super quick flick on the stand I get a ever so momentary stumble before it revs.
Paw Paw
Posts
679
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12/24/2011
Location
Benton, LA US
8/17/2020 7:46pm
Check your TPS setting.

Paw Paw
Factor E
Posts
727
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9/22/2011
Location
So Cal, CA US
8/17/2020 9:34pm Edited Date/Time 8/17/2020 9:35pm
Take back for Warranty work
Why chase it

The Shop

8/18/2020 6:00am
Factor E wrote:
Take back for Warranty work
Why chase it
Shops around me are terribly slow. Typical is a 2-3 week waiting period and another couple weeks in the shop. In 5 weeks time I will be knocking on the door of end of riding season where I live. I also checked TPS last night. All checked out nuts on to the specs. I am wondering if its a dirty main injector? Do I need to pull it to clean it or can I disconnect and spray cleaner and compressed air?
kb228
Posts
6161
Joined
1/31/2018
Location
Mansfield, OH US
8/18/2020 6:23am
Make sure idle rpm is correct, tps voltage is .6-.62, and after that make sure you have good gas. I wouldnt dive any deeper into a brand new bike.

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