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Post by mikestib1 on Aug 6, 2015 11:45:22 GMT -5
Just got a Bintelli 50 and it runs,stops, starts and has enough top speed and acceleration in my city with its 25 to 30 mph speed limits. But there are some fairly steep hills that make it struggle to maintain 20 mph. Thinking of a basic 80cc kit which is actually 72cc and includes cylinder, piston,rings and gasket. I dont want the cheapest. I may have to pay for installation so any info on time it should take by a competent mechanic would help. This scoot is for my wife as I plan to buy a Bintelli Scorch 150 to ride as I have a motorcycle license. Thank you all for your experience
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Post by murkyapricot on Aug 6, 2015 14:51:28 GMT -5
Well before you go pouring all the money into it you might just want to try switching out the rollers, you can probably achieve what you are looking for right there.
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Post by mikestib1 on Aug 9, 2015 4:49:15 GMT -5
The stock engine buts out 2.4 kW or 3,1 HP and those are facts. I don't mind investing $215 parts and labor for the kit which includes 80 cc cylinder,piston, rings gaskets as well as new cylinder head with larger valves. The dealer is reputable and installs these kits with good reliability and a 50% gain in HP and torque. While rollers would make for quicker acceleration they do not compare to increasing the engine displacement. Will post results but I'm spending less this way than selling my scoot at a loss and buying a larger one. I have a motorcycle license anyhow. It seems people tell others not to perform certain upgrades when they have no firsthand experience want to hear from those who actually did the big bore mod.No offense meant
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Post by pistonguy on Aug 9, 2015 8:02:18 GMT -5
The stock engine buts out 2.4 kW or 3,1 HP and those are facts. I don't mind investing $215 parts and labor for the kit which includes 80 cc cylinder,piston, rings gaskets as well as new cylinder head with larger valves. The dealer is reputable and installs these kits with good reliability and a 50% gain in HP and torque. While rollers would make for quicker acceleration they do not compare to increasing the engine displacement. Will post results but I'm spending less this way than selling my scoot at a loss and buying a larger one. I have a motorcycle license anyhow. It seems people tell others not to perform certain upgrades when they have no firsthand experience want to hear from those who actually did the big bore mod.No offense meant Everything about BBK's are fun, from the purchase to the finished product. And if you question your skill or plain don't want to do it, right on pay the shop. do it up |
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Post by beenriding on Aug 9, 2015 8:27:22 GMT -5
Once you get that BBK you're going to change rollers anyhow. And probably a few more Items.
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Post by JerryScript on Aug 9, 2015 8:56:46 GMT -5
My nephew had BBKs installed on two scooters by the dealer (one was stolen). Each took a few hours. It should be a one day job. It actually takes about 1 1/2 hours.
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Post by beenriding on Aug 9, 2015 11:14:29 GMT -5
My nephew had BBKs installed on two scooters by the dealer (one was stolen). Each took a few hours. It should be a one day job. It actually takes about 1 1/2 hours. Can you say what it costs? One I was looking at says 'may need some crankcase modification' What exactly do they do? I'm guessing shave a little off to squeeze the bigger jug in? I've done 2T BBK's they seem really simple but the 4T valve train makes this job harder. I wouldn't mind paying someone, if I knew they'd be a meticulous about it as I would. P.S. stolen scooters suck! Really makes me mad that our hobby/sport/lifestyle is so victimized. |
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Post by mikestib1 on Aug 9, 2015 12:46:45 GMT -5
The repair shop is charging one hour labor but since it's a one man shop they have low overhead. The owner has 2 pre unit BSA 500 singles. I'm sure he's making another profit on the parts but since he's installed this kit on many other kits he recommends it and can't afford unhappy customers. His shop is like a museum. Roanoke Cycle Sport. He also was approved for a Bintelli dealership and PDI ed the bike and it has run perfectly. I feel lucky to be 5 miles away. No crankcase boring is required..I also own a 900 Triumph Scrambler to ride. Yeah worked hard all my life and having a little fun. Don't mind spending some money locally and getting to know the local shops as you can't always get the best on line. Just my 2 cents or was it $200? As I said I'll review the mod in a few weeks. Until then, ride and have fun everybody! This is a four stroke 139qmb so f course it doesn't apply to 2T engines.
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