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Best Powersports Cylinder Heads

Athena Big Bore Cylinder Kit (70cc Bolt On) - 47.66mm Bore 070200
Use stock reeds for Yamaha VinoThis item fits the following models: 2002-2004 Yamaha YJ50 Vino2002-2005 Yamaha YJ50RA Vino Classic2002-2005 Yamaha YW50 Zuma2008-2011 Yamaha YW50 Zuma. Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets.
Reviews
"Installation took a very reasonable amount of time, and because it's a 2-stroke, there's not much that one can mess up. **Update** I've put over 1500 miles on this cylinder kit (longer than the original Yamaha) with zero issues."
"nice kit put about a 1000 miles on it sofar alot more power have to watch top speed now, installed with 90 main jet with stock carb, needle 1 clip position richer, 2002 yamaha zuma runs great."
"installed on my 2009 zuma and works great without mod."
"Very pleased."
"Parts fits perfect."
"This is a top-notch kid guaranteed more horsepower and low-end torque highly recommended."
"Works great."
"Failure of piston rings very common problem buyer beware."
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GOOFIT Big Bore Cylinder Rebuild Kit GY6 50cc 139QMB Racing Scooter Parts 64mm Valve
Fit Model: Roketa 49cc 50cc 4 stroke scooter such Bahama,Maui,Sicily,Tank,Baotian 50QT-9. Kymco 50cc 4 stroke like Agility 50,People S50 4T,Suer 8 50 4T, Eton 49cc 50cc 4stroke like Sport 50. Taotao 49cc 50cc 4 stroke scooter such as GT5,Fastwind,AMT50-A1,CY50-A,CY50-B,CY50-T3,Funny50,Roman 50,Retro 50,Speedy50,Venus50. It can be Only Used for GY6 4stroke 49cc 50cc engine upgrade.
Reviews
"I do not get oil leaks, and the power increase was felt the moment I cranked her up. The weights that come with it were 9 grams, and that was a little heavy, so i switched them out with 6's and she runs ridiculously well uphill, in wind, everything. I did want to add something i missed in my review; Where you screw in the spark plug has some sort of jam half way through that i never noticed until yesterday. Normally the requirement for spark plugs is "Screw hand tight, then use the tool for 1/4 to 1/2 turn, depending on a few factors". It is DEFINITELY RECOMMENDED that once you receive this, before putting anything on the bike, that you take a brand new spark plug (NGK CR7HSA, take that up to the counter at advance/autozone/nappa/etc) and thread it into the clean, new head itself. I had to buy the kit again, mainly for the head but I figured its only 60 bucks and more spare parts couldn't hurt. Make sure the spark plug screws in completely before you put it on the bike!"
"This Seller is awesome. Super and highly recommend this seller."
"So then I bought a kit and carb from crappy frog scooters, which was the 72 cc big bore kit. The kit from crappy frog scooters leaked and I replace the gaskets twice also the compression was really high and went out the vent tube tremendously."
"The challenging part of the install was putting the clip inside the piston. There are two clips on each side of the piston. Install one of the clips prior to attaching the piston to the motor. To install push that into the motor prior to installing the exhaust."
"This kit is pretty nice however mine was damaged upon arrival. It had been dropped at the factory i was unable to install as one of the two bolts that hold the chain tensioner down was D shaped instead of round making it impossible to screw the tensioner down. This was due to the item being dropped clearly as there was a perfectly flat spot where it should have come to a point, was smashed down."
"Works perfect, but I broke off the piston rings by mistake, seller promptly sent me a replacement."
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Glixal ATMT1-011 139QMB 139QMA Scooter Big Bore Cylinder Kit Rebuild Kit GY6 100cc 50mm Moped ATV Go-Kart
"Please make sure your engine model before your purchase." 3.Outer Diameter of Piston Pin: 13mm.
Reviews
"I had to buy a $100 starter because the compression is so much higher than stock that the stock starter will not turn it over at all. Changed oil today after about 100 miles and zero metal shavings and the oil looked like I could have gone another 500."
"Make sure you do your research if you want to put this on too."
"I'll update my rating in a while after its all broke in and I have more knowledge on the results.. if your having to do a repair to your stock bike... may as well throw in this big bore kit.."
"easy install and Compress the rings to get it through chamber that was the hardest part and use ANTI SEIZE lube or else you will blow yo scoot engine."
"Make sure you do your research on the head though, because I ordered twice the head I wanted and when it got here was something completely different, I wish i didn’t have to say this because I’m pretty loyal to amazon, but has to go to competitor to find actual big valve head that was not just a 69mm instead of 64mm head."
"I bought it with other Glixel products for a big bore conversion."
"Went thru 3 times to make sure everything done right including timing and valve adjustment."
"Would have given 5 stars but the kit was missing quite a few parts."
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Best Powersports Clutches

Ram Mount Motorcycle Brake/Clutch Reservoir Base with 1-Inch Ball
To see if the RAM-B-309-1U base will mount to your motorcycle, check the hole spacing of the base against your clutch/brake reservoir. The base fits the control clamps on your motorcycle with 40mm x 6mm stainless steel hardware, provided in the kit.
Reviews
"Bought this to mount my iPhone 6+ in a SlipGrip RAM holder made for my Otterbox Defender Case on my 2012 Goldwing."
"However, if you try to torque it to 9 ft-lb (as per the Forza manual), you will destroy the plastic spacers included with the RAM Mount."
"I almost wish I got the one that had 2 balls on it since I already have a Kuryaken cup holder on the left/clutch that doesn't work with the Ram Mount where I want to put my phone that I got this mount for. I would consider getting a new cup holder if I got the one with 2 balls. Maybe I'll switch it to the other side and have the cup holder on the right."
"The huge variety of different devices and mounting options mean you're really only limited by your imagination as to what they can be used for."
"The only remaining issue is that the brake&mirror part which faces the Ram Mount has a portion of metal surface now is exposed (shown in pink arrow) in the photo."
"I already have a Ram handlebar mount on one side of my bike for my phone/GPS and bought this to mount my GoPro camera and/or GoPro remote."
"I've used RAM for 2 years now and have never had my phone or GPS fall off. 5 Stars No complaints. I would recommend the center triple tree mount as that has the best viewing and cosmetic appearance however this mount allows it easier to see the phone plus it is much cheaper."
"Bought this for a 2015 Concours 14, which this part is compatible for with according to the manufacturers website."
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Best Powersports Valve Parts

Hot Cams HCSHIM01 Shim Kit
7.48mm Complete shim kit 1.20-3.50mm in .05mm increments with 3 shims in each size. Enter your model number to make sure this fits.
Reviews
"If you do not plan on adjusting a lot of valves, hot shims sales refill packs if you know what it is needed."
"I received a used kit that had used shims in it."
"My only issue is the kit could provide more of the shims that are likely to be actually used."
"Not a big deal for me but if you need the exact 3.00mm to make your clearance perfect you may have trouble."
"Any bike I own in the future I will buy a Hot Cams shim kit for without question."
"Basically, it saves you the trouble of opening up your bike, THEN running out to Honda and HOPING they have the shim(s) you need. If you're gonna do shims, you'll need a micrometer like this one; http://www.amazon.com/General-Tools-001-Inch-Graduation-Micrometer/dp/B00004T7UD/ref=sr_1_2?ie=UTF8&qid=1356827905&sr=8-2&keywords=micrometer. I believe this is the one I have."
"The shims will hold up just fine in your ZX6R as they hold up well in many street bike applications."
"It's a nice kit."
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Best Powersports Engine Kits

66/80cc Flying Horse Silver Angle Fire Bicycle Engine Kit - 2 Stroke
All of the Flying Horse bike engines feature the latest upgrades, including Japanese crank bearings and clutch components. Power: 5-6 HP (horse power) stock Top Speed: 35-38 MPH (miles per hour) stock Fuel Economy: 100-150 miles per gallon The engine chain does not interfere with your current drive chain and peddling because it rides on the opposite side of the bike sprocket. We make certain that all of our manufactures abide by strict quality control assurance measures and use the highest quality material so that we can make certain that all of our customers get only the best. The rider only needs some basic hardware skills, tools, and around 2-3 hours for installation and fine tuning adjustments (Note: Seller is not responsible for misuse or this kit or any warranty after installation).
Reviews
"Took a lot of YouTube to assemble for someone who has no mechanical skills but in the end it turned out near perfect ."
"The clutch lever, Exhaust, The finish (paint) on the motor and a few other things were noticeably higher quality than my first kit- (Ebay 140$ generic kit). From this point on, ALL my future bike projects will be getting this kit."
"This engine is working great."
"Very good kit came with no instructions but i figured it out."
"Great product."
"Fairly easy to install!"
"The kit contained all the parts but I am having to make modafications to the drive area and muffler to make it fit."
"Only half of the rest sprocket clamp assembly was sent."
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Best Powersports Engine Mounts

Aftermarket Yamaha Motor engine mount Wave Runner 650 700 701 1100 1200 GP 760 GP 800 (4) PACK
OEM Quality replacement for broken motor mounts. Fits: LX 650 1991-1992, VXR 650 1991-1995, WAVE RUNNER 3 650 1990-1996, VXR PRO 700 1993-1994, WAVE RAIDER 700 1994-1997, WAVE RAIDER DELUXE 700 1995, WAVE RUNNER 3 700 1994-1997, WAVE VENTURE 700 1995-1998.
Reviews
"I will be doing more business in the future with this company!"
"Perfect!"
"POORLY MADE....NOT GOOD QUALITY ONE OF THE THREADS STRIPPED WHEN TRYING TO INSTAHL MAKING IT UNUSABLE."
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Best Powersports Engine Gaskets

Briggs & Stratton 697110 Crankcase Gasket 015
Keep it Running - Keep it Genuine. Enter your model number to make sure this fits.
Reviews
"This gasket was used to re-seal my 17.5 horse Briggs intek engine during the camshaft replacement."
"Worked great."
"Just as expected it fit perfectly and shipping was very fast."
"it was a have too, with the rod replacemnet."
"Just what the doctor ordered."
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Best Powersports Pistons & Parts

Niche Industries 1534 Yamaha YFZ450 Cylinder Piston Gasket Kit 2004-2009, 2012-2013
Niche Industries 1534 is a new Cylinder Kit and has everything you need to rebuild your Top End including: Cylinder, Piston, Piston Rings, Piston Pin, Piston Clips, Head and Base Gaskets and a Chain Tensioner Gasket. Enter your model number to make sure this fits.
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