04-11-2019, 01:36 PM | #1 |
Join Date: Apr 2017
Location: Omaha, NE
Posts: 8,100
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Mightymax Gel Battery.
Maybe I got a "bad" one. It is always possible, but I got about 9 months of use out of it and yesterday, fresh off my trickle charger it cranked twice and died. Showed 12 volts with my multimeter, but the amps were way down.
I will also admit that it is possible my high compression is putting a lot more strain on the battery (I have a starter on standby lol). I am definitely bordering on needing a compression release, and using the kickstarter makes me think I am going to break it. So, I went to the local powersports store and bought a Moose AGM battery to replace it. If this battery doesn't last I may be looking into a larger higher amp lithium battery.
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04-11-2019, 01:40 PM | #2 |
Join Date: Apr 2019
Location: Roberts, WI
Posts: 46
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That might max was a gel as stated, not litium right? I'm looking at a lithium version on ebay for my TTR since the bikemaster lithium died. Does anyone have one of those?
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Piranha P190R mini-motard racer 20 Thumpstar TSX-190 12 Yamaha TTR-125 FT/ice racer 09 KTM 450 XC-F SM racer 75 CB400F Vintage rider |
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04-11-2019, 07:07 PM | #3 |
Join Date: May 2018
Posts: 64
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I got the same battery for my hawk and neighbors' ruckus. Plan on using battery tenders on then over winter, though. You think it was the charger? Heard gel can be very touchy.
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2017 RPS Hawk. Mikuni carb, 117.5 main, 25 pilot. Foam filter. NGK plug. Upgraded exhaust. 17/45 sprockets. Digital speedo. Full LED all around. U5 handlebar spot lights. 1982 Yamaha XJ1100 Maxim |
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04-11-2019, 09:09 PM | #4 | ||
Join Date: Apr 2017
Location: Omaha, NE
Posts: 8,100
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Quote:
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It's also possible I just got an old one/bad one off the shelf. It was never very strong to begin with, and I initially attributed it to my increased compression causing it to crank kinda slow. I kind of believe that scenario more after installing my new AGM battery with a fresh charge on it. Same CCA, much stronger starting.
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04-11-2019, 09:24 PM | #5 |
Join Date: Nov 2007
Location: Tennessee
Posts: 201
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I have the same gel battery in my Kawasaki brute Force (kymco). It's been great for a year and a half. It's never sat long though since I use the four wheeler often. I use to buy the pirate branded batteries, but last one I bought died in about two weeks. Think it had a faulty cell.
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04-11-2019, 09:36 PM | #6 | |
Join Date: Apr 2017
Location: Omaha, NE
Posts: 8,100
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Quote:
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04-11-2019, 11:00 PM | #7 |
Join Date: May 2017
Location: Michigan
Posts: 107
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megadan is there any added mods needed to run a lithium battery i think thats what i will need since im running so many electrical add ons and ill really be working the stator and battery with what ive added. i seen on one of your posts there would need to be a amp regulator or somthing ? since lithium ones charge different? or am i mistaken.
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04-12-2019, 12:03 AM | #8 | |
Join Date: Apr 2017
Location: Omaha, NE
Posts: 8,100
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Quote:
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04-12-2019, 01:44 PM | #9 |
Join Date: Aug 2018
Posts: 158
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I know what you mean Megadan. I think my compression is like 11:1 or 11.5:1. If I dont get the battery to get the engine to turn in about 4 turns I run out of power and have to kick start it. It is HARD to kick it unless I'm wearing my MX boots. But she usually starts right up.
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04-12-2019, 01:44 PM | #10 |
Join Date: Aug 2018
Posts: 158
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sometimes I'll just jumpstart it from my car.
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04-12-2019, 01:53 PM | #11 | |
Join Date: Apr 2017
Location: Omaha, NE
Posts: 8,100
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Quote:
Slightly off topic, but I can't imagine how strong the vibrations on your bike are with the compression that high. They are definitely more noticeable on my bike now vs. a stock one.
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04-12-2019, 07:03 PM | #12 |
Join Date: Jan 2012
Location: ChCh , NZ
Posts: 2,265
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just get a Yuasa…. never got less the 6 years from one..
or a GS... same thing.. ..
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04-12-2019, 08:20 PM | #13 |
Join Date: Apr 2017
Location: Omaha, NE
Posts: 8,100
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I almost did, but Moose utility batteries are pretty high quality, and I have had great luck with them.
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04-12-2019, 09:34 PM | #14 |
Join Date: Jul 2017
Location: Montucky
Posts: 209
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My mightymax battery is taking a chit on me too. 1 1/2 years old......guess for the price........
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04-13-2019, 02:07 PM | #15 |
Join Date: Apr 2019
Location: Roberts, WI
Posts: 46
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Humm, this might be why mine went to crap. I just bought a Li charger and it couldn't bring it back either.
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Piranha P190R mini-motard racer 20 Thumpstar TSX-190 12 Yamaha TTR-125 FT/ice racer 09 KTM 450 XC-F SM racer 75 CB400F Vintage rider |
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