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#76 |
Join Date: Sep 2021
Location: De Soto, MO
Posts: 1,925
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Need a new battery for my KPX. The current one has been sitting since last year, other than a short ride a couple months ago. Multimeter said 2 volts, so it's now on a charger. But a brand upgrade would be nice. What's a good Li-ion make and model number?
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2021 Lifan Xpect--sold 2022 Lifan KPX 1972 Honda CT90--The Carrot 1969 Honda CT90--The Tomahto Cheesy is the WDK (workplace drama king). Now retired. Nope, back in the saddle. Climate: The Movie https://www.youtube.com/watch?v=A24fWmNA6lM How our government really works https://www.youtube.com/watch?v=QjadCd0VRBw Question all authority.....think for yourself |
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#77 |
Join Date: Sep 2021
Location: De Soto, MO
Posts: 1,925
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My modded KPX airbox cover. Twenty holes each 5/16" diameter gives an extra intake area of 3.06 sq in, very close to the same as one 2" diameter hole. Hopefully riding tmw, weather permitting. We'll see what the computer thinks of all the extra air. I have also been recharging the battery off the bike (which will reset the computer) and am installing a Battery Tender connector, so I can now easily just keep it charged up. I may also glue some screen door screening to the inside to keep out bugs.
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2021 Lifan Xpect--sold 2022 Lifan KPX 1972 Honda CT90--The Carrot 1969 Honda CT90--The Tomahto Cheesy is the WDK (workplace drama king). Now retired. Nope, back in the saddle. Climate: The Movie https://www.youtube.com/watch?v=A24fWmNA6lM How our government really works https://www.youtube.com/watch?v=QjadCd0VRBw Question all authority.....think for yourself |
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#78 |
Join Date: Mar 2023
Location: Akron, OH
Posts: 33
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Cool let us know how it goes.
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The Bearded Vagabond YouTube Channel |
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#79 |
Join Date: Sep 2021
Location: De Soto, MO
Posts: 1,925
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Battery won't charge up enough to crank, on the Battery Tender. Gets to 12v, but drops down to 11.5v as soon as I remove it from the charger. Won't crank.
![]() Edit: Rain all day tomorrow, starting at 9am.
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2021 Lifan Xpect--sold 2022 Lifan KPX 1972 Honda CT90--The Carrot 1969 Honda CT90--The Tomahto Cheesy is the WDK (workplace drama king). Now retired. Nope, back in the saddle. Climate: The Movie https://www.youtube.com/watch?v=A24fWmNA6lM How our government really works https://www.youtube.com/watch?v=QjadCd0VRBw Question all authority.....think for yourself |
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#80 | |
Join Date: Feb 2021
Location: Kansas City
Posts: 2,586
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Quote:
![]() Charge the battery with the ground wire disconnected from the battery, then check the voltage on the battery after charging (with the ground still disconnected). It should be 13V or more. Then connect the ground post and see if the voltage drops. If it does, you have a device drawing current that is responsible for the problem. It is an easy test. All of this done without the key even in the ignition! ![]()
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-NOS 2020 KTM 250SX (2-stroke motocross) Last edited by Thumper; 08-09-2023 at 07:59 AM. |
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#81 |
Moderator
Join Date: Oct 2016
Location: Houma, La.
Posts: 11,678
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Tom, if you have the stock battery, it might be a bad one like I had. My battery crapped out after about 3 months. Think the first batch of bikes had bad batteries. Venom had sent me a new battery and never had any issues since.
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2024 Linhai 300 ATV 4x4 2023 Lifan Lycan 250 Chopper 2023 Venom Evader 2022 Lifan KPX250 2020 Kawasaki Vulcan S (Sold) 2004 Honda ST 1300 2016 Black Hawk 250 (sold) Keihin PE30 carb,125 main,38 slow.Pod filter,ported & decked head 10:1 CR,Direct Ignition Coil,15/40Sprockets,NGK DPR8EIX-9,De-Cat,Dual Oil Cooler,Digital Cluster 2016 Cazador180 XL 2014 Coolster150 JerryHawk250.com My YouTube Channel |
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#82 | |
Join Date: Sep 2021
Location: De Soto, MO
Posts: 1,925
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Quote:
Ordering new battery off Amazon today. Is Mighty Max considered a good brand? They also sell 'em at Home Depot and Lowes, so that is a good sign at least. https://www.amazon.com/exec/obidos/A...ustomerReviews
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2021 Lifan Xpect--sold 2022 Lifan KPX 1972 Honda CT90--The Carrot 1969 Honda CT90--The Tomahto Cheesy is the WDK (workplace drama king). Now retired. Nope, back in the saddle. Climate: The Movie https://www.youtube.com/watch?v=A24fWmNA6lM How our government really works https://www.youtube.com/watch?v=QjadCd0VRBw Question all authority.....think for yourself |
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#83 |
Join Date: Sep 2021
Location: De Soto, MO
Posts: 1,925
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Thanks, I remembered what you said and was wondering about that. What brand and model # is your new one?
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2021 Lifan Xpect--sold 2022 Lifan KPX 1972 Honda CT90--The Carrot 1969 Honda CT90--The Tomahto Cheesy is the WDK (workplace drama king). Now retired. Nope, back in the saddle. Climate: The Movie https://www.youtube.com/watch?v=A24fWmNA6lM How our government really works https://www.youtube.com/watch?v=QjadCd0VRBw Question all authority.....think for yourself |
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#84 |
Moderator
Join Date: Oct 2016
Location: Houma, La.
Posts: 11,678
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Same as it came with.
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2024 Linhai 300 ATV 4x4 2023 Lifan Lycan 250 Chopper 2023 Venom Evader 2022 Lifan KPX250 2020 Kawasaki Vulcan S (Sold) 2004 Honda ST 1300 2016 Black Hawk 250 (sold) Keihin PE30 carb,125 main,38 slow.Pod filter,ported & decked head 10:1 CR,Direct Ignition Coil,15/40Sprockets,NGK DPR8EIX-9,De-Cat,Dual Oil Cooler,Digital Cluster 2016 Cazador180 XL 2014 Coolster150 JerryHawk250.com My YouTube Channel |
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#85 | |
Join Date: Feb 2021
Location: Kansas City
Posts: 2,586
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Quote:
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-NOS 2020 KTM 250SX (2-stroke motocross) |
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#86 | |
Join Date: Sep 2021
Location: De Soto, MO
Posts: 1,925
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Quote:
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2021 Lifan Xpect--sold 2022 Lifan KPX 1972 Honda CT90--The Carrot 1969 Honda CT90--The Tomahto Cheesy is the WDK (workplace drama king). Now retired. Nope, back in the saddle. Climate: The Movie https://www.youtube.com/watch?v=A24fWmNA6lM How our government really works https://www.youtube.com/watch?v=QjadCd0VRBw Question all authority.....think for yourself |
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#87 | |
Join Date: Feb 2021
Location: Kansas City
Posts: 2,586
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Quote:
Hopefully, it is just a played out battery that won't charge, and the replacement will hold a charge. The final step in that battery testing is to start the engine and see if the voltage across the battery terminals goes upto 14V or more at 1500 rpm or so (good charging system).
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-NOS 2020 KTM 250SX (2-stroke motocross) |
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#88 |
Join Date: Sep 2021
Location: De Soto, MO
Posts: 1,925
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Good to know, thanx.
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2021 Lifan Xpect--sold 2022 Lifan KPX 1972 Honda CT90--The Carrot 1969 Honda CT90--The Tomahto Cheesy is the WDK (workplace drama king). Now retired. Nope, back in the saddle. Climate: The Movie https://www.youtube.com/watch?v=A24fWmNA6lM How our government really works https://www.youtube.com/watch?v=QjadCd0VRBw Question all authority.....think for yourself |
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#89 |
Join Date: Oct 2013
Location: Leesville SC
Posts: 835
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Yeah the factory battery in the KPX is not very good. I had to change mine out in short order the Battery I put in there though has been great.
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1
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My Stable- 2022 Lifan KPX250 , 2023 Royal Enfield Himalayan, 1992 Honda GL1500 Goldwing, SSR 70 Auto, Kymco Mongoose 90, Honda Four Trax 300 |
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#90 | |
Moderator
Join Date: Oct 2016
Location: Houma, La.
Posts: 11,678
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Quote:
__________________
2024 Linhai 300 ATV 4x4 2023 Lifan Lycan 250 Chopper 2023 Venom Evader 2022 Lifan KPX250 2020 Kawasaki Vulcan S (Sold) 2004 Honda ST 1300 2016 Black Hawk 250 (sold) Keihin PE30 carb,125 main,38 slow.Pod filter,ported & decked head 10:1 CR,Direct Ignition Coil,15/40Sprockets,NGK DPR8EIX-9,De-Cat,Dual Oil Cooler,Digital Cluster 2016 Cazador180 XL 2014 Coolster150 JerryHawk250.com My YouTube Channel |
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