Be sure to include your return address and day phone information in case we have any questions regarding your order. Thick wall sleeve installation will also be available for customers who desire to bore their Raider cylinders to the 85. If so, do I have to mixs the oil with gas? We confidently claim that Group K cylinder porting will yield a wider power band and longer piston life than any other porting modification available anywhere. To return a product: Send an email to sportsplaza aol. All Group K modified cylinders and heads are typically prepared as matched pairs to assure that you have the proper squish clearance and compression ratio for the quality of gasoline that you intend to use. It is an oil-injected, two-stroke, two cylinders Did I say light weight? I noticed better acceleration across the rev r Reviewed by Yedaya R.
However, the progressively increasing output of new machines and the decreased quality of 92 octane pump gas has brought about this unavoidable situation. Let's get your parts, get them shipped, and you'll get to work. In the e-mail body, list your Name, Online Order Number found to the right of your first name on your invoice Mailing Address and Phone Number. Modifying your boat with a keen awareness of these weaknesses permits the construction of an effective yet reliable modification package. With this fuel tuner, you will gain extra power and torque. However, this is a modification that can make a noticeable improvement in overall power that comes without any loss of reliability at all.
It is an oil-injected two-stroke. However these parts may have difficulty standing up to the added rpm's and torque loads of the modified engines particularly in the Wave Raider hulls. Then you'll be able to get back out on the water in no time. If the porting is performed by someone with very little Yamaha experience, that may be true. Because the plug gap is not shielded by the conventional side electrode, exposing the mixture to physically unlimited ignition, combustion speed will increase and flame front spread can take place more easily, and especially more quickly.
I rode mine for the first time this season today and it tops out at 50 mph. Unfortunately no octane booster can turn 92 octane into 96. You press the lever and twist the grip and it has 2 positions up and down. The stock Raider impeller is too steep for any application. However engines with older deteriorated crank seals or brittle intake gaskets can allow outside air to leak into the lower end during operation. For these machines, the limiter cannot be effectively disabled by simply disconnecting a wire in the electrical box. Our video library is constantly updated with exciting new content.
In the past, cylinder porting has received an undeserved reputation as a modification that causes a loss of reliability and engine life. And if you need a little advice to get you pointed in the right direction? Once again your excellent technical assistance service is much appreciated! I had a carb job done and it's run great ever since. Does it have the hour meter? Whether you are a recreational performance enthusiast or serious competitor, theses tips are a valuable resource. Initially we were able to avoid the 96-octane mandate by using stock rev limiters and milder compression. Does it have the hour meter? Over time, the hoses get hard and brittle as well as shrink in length. When designing a sparkplug, several technical factors must be taken into careful consideration.
This warranty does not apply to an engine which been subject to modification or has been disassembled, including, but not limited to, removal of the head. The first, and most affordable, is the Raider Cylinder Bore Only. I think you mean reliable, and then, it could be, depending on it's condition. Boring this cylinder leaves the ports badly undersized for a 753. I need some info on this jet ski but I could not find any out there. We test our kits with this very heavy use in mind. Their lifespan is 25K miles - 40K km or 500-600 hours.
Orders usually ship from our shipping center the same day as the order is fulfilled. This is a pretty old thread. To address this problem, all Group K kits include cylinder decking to assure a totally flat deck. If you meant realizable, then if you got the dough, probably so. Could this be a pop off pressure issue? How do you know which are the best spark plugs to purchase? No hr meter Yes two stroke No, unless pump is disconnected on oil injector, then yes No, just be sure and add enough to not run out. Even the Hammer 96 runs best with the stock waterbox.
Modifying your boat with a keen awareness of these weaknesses permits the construction of an effective yet reliable modification package. My Racing plug works like a champ. I run all day, till I can't stand anymore and this ski still has a Half tank in it! All orders prepaid with a cashiers check or money order will be returned freight free via ups ground service anywhere in the continental United States. Air Leaks - The lower end of your engine should be totally air tight up to 8 psi. However anyone that has paid an expensive bill for the repair of a seized piston has considered it.