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Honda ST1300 Section => Honda ST1300 General Questions => Topic started by: Phil Jordan on April 03, 2024, 05:18:24 PM

Title: Booster plug
Post by: Phil Jordan on April 03, 2024, 05:18:24 PM
Hi all. Was trying to find out if anyone has installed a boosters plug on a 1300. I installed one into  RE650 and found it smoothed out low rev take off?
Awaiting many helpful comments
Title: Re: Booster plug
Post by: Brock on April 03, 2024, 05:39:45 PM
I have never heard of a booster plug, where does it connect and how does it work.

The STs have a pretty flat power curve, and pretty good off the mark..
Title: Re: Booster plug
Post by: Williamson on April 03, 2024, 05:47:45 PM
Hi all. Was trying to find out if anyone has installed a boosters plug on a 1300. I installed one into  RE650 and found it smoothed out low rev take off?
Awaiting many helpful comments

No help from me re. a boosters plug, first I've heard of that terminology in relation to an ST1300.

There was some discussion on here a coupla years back, may be more (someone may be along soon with a link) re. the 1300 engine being not so smooth at low revs, particularly when trying to keep the throttle / revs smooth when corning and also when accelerating out of a corner  Is this something you're trying to resolve?
Title: Re: Booster plug
Post by: Brock on April 03, 2024, 05:48:45 PM
OK, Just looked it up.

I dont think it will have much effect on the ST1300, there are some guys in the states that spent serious dollars (many thousands) trying to improve the performance to no avail. At 170ish US$, its an expensive trial..
Title: Re: Booster plug
Post by: Williamson on April 03, 2024, 05:49:48 PM
OK, Just looked it up.

I dont think it will have much effect on the ST1300, there are some guys in the states that spent serious dollars (many thousands) trying to improve the performance to no avail. At 170ish US$, its an expensive trial..

What does it do?
Title: Re: Booster plug
Post by: Phil Jordan on April 03, 2024, 06:00:01 PM
Finding I have bit of hesitation upon take off from standstill.  Could be I need to ride it more an get used to it as I usually ride my RE Hunter 350 to work n around town. ST1300 has aftermarket cans (delkevic) stock airfilter.
Title: Re: Booster plug
Post by: Williamson on April 03, 2024, 06:49:12 PM
Finding I have bit of hesitation upon take off from standstill.  Could be I need to ride it more an get used to it as I usually ride my RE Hunter 350 to work n around town. ST1300 has aftermarket cans (delkevic) stock airfilter.

I've ridden a few ST1300s, currently have two.  As far as I know, that's not a problem common to ST1300s.

My earlier post was leading to re-setting the ECU, this is the process (it can't do any harm, what have you got to loose?):
 
Title: Re: Booster plug
Post by: Phil Jordan on April 03, 2024, 07:34:42 PM
Thank you I was thinking of that reset as i had some starting issues and cleaning starter  relay connections and fuses seems to have helped.  This is after realising battery needed replacing.
Cheers
Title: Re: Booster plug
Post by: prricey on April 03, 2024, 07:53:37 PM
Booster plugs are snake oil. There is an immediate change when you plug one in but then over time the ecu learns to compensate for it. Testing shows they last a few rides to a few weeks at best.

https://qcwo.com/technicaldomain/iat-resistor-mods-vs-performance-modules-vs-real-chips/

2002 ST
Title: Re: Booster plug
Post by: West Aussie Glen on April 03, 2024, 09:53:57 PM
Years ago I fitted a G2 Throttle tamer which has a slightly different cam and feeds the throttle on smoother than the Honda one. https://www.g2ergo.com/shop/g2-street-stock-ratio-throttle-tube-honda/?attribute_pa_model=st1300-a-pa-03-18 (https://www.g2ergo.com/shop/g2-street-stock-ratio-throttle-tube-honda/?attribute_pa_model=st1300-a-pa-03-18)