What modifications can be done to Buddy 125 to go FAST?
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- glamourgirrrl
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What modifications can be done to Buddy 125 to go FAST?
I'm a brand new Buddy owner and I want more speed. What are the best modifications to achieve max speed with few problems?
- glamourgirrrl
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- nateandcourt
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The voodoo guys here drive the 125s they hit some nice speeds.
I imagine one will be along shortly. Their scoots look like this though
I imagine one will be along shortly. Their scoots look like this though

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Douglas Adams
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let it break in. We've got a buddy 125 rider here in town that's maybe a smidge lighter than you who can bury the needle on her stock 125 - that is indicate 80mph. She also got 10k miles on stock tires so wow! what i wouldn't give to be 110lbs!
search the forum as this question is asked a lot. there are clutch kits and springs, variator weights that can be swapped but unless you're over 1.5k miles you're not really seeing all your buddy can do just yet.
That's my advice. Though I'm on a 09 Buddy 125 kitted to 161cc. I weigh a LOT more than you. I put the kit on at 3500 miles. I ride a ton on country roads and over mountains and into deserts so I needed to be able to climb a little better than a stock 125 under my weight. Kitting it costs a lot more to maintain and is likely shortening the life of my scooter. At least it's fun to ride while it's alive!
search the forum as this question is asked a lot. there are clutch kits and springs, variator weights that can be swapped but unless you're over 1.5k miles you're not really seeing all your buddy can do just yet.
That's my advice. Though I'm on a 09 Buddy 125 kitted to 161cc. I weigh a LOT more than you. I put the kit on at 3500 miles. I ride a ton on country roads and over mountains and into deserts so I needed to be able to climb a little better than a stock 125 under my weight. Kitting it costs a lot more to maintain and is likely shortening the life of my scooter. At least it's fun to ride while it's alive!
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- glamourgirrrl
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- Kaos
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Hey, where'd you get the photos of my engine rebuild? Are you stalking me?nateandcourt wrote:The voodoo guys here drive the 125s they hit some nice speeds.
I imagine one will be along shortly. Their scoots look like this though

Yeah, what Jijifer said is right on, you should wait till about 1500 miles before doing any mods. It will really wake up about 1500 then you can decide if your performance is enough, or if you want more.
You can make the Buddy crazy fast(mine does just shy of 90mph), but its a slippery slope and the 125 is already pretty quick for what it is.
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- cheez37
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Can't do the $150 161 kit without the $180 Prima exhaust and $10 for new jets = $340. This is also a big labor job!gearhead wrote:the dr pulley clutch is $240. the 161 kit is selling for $150 right now.
New clutch, springs, variator & weights are less than $150 (and new weights by themselves will give you more performance for only $25!)
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Top speed can be achieved by transmission upgrades. It's cheap and always worth it. Dr. Pulley variator, Kevlar belt, and some type of clutch system. I have a MRP red clutch and I like it, it was around $35 bucks. I wouldn't worry to much about big bore until you have played with the transmission because it's not really a DIY job unless your mechanically inclined. Slider weights are also a great purchase. Torque is what the BB kit is all about. Get to your fastest speed as fast as possible. I love mine.
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