Is it possible to convert an 883 to 1200?

The right 1200 conversion is fantastic. I did the SE conversion with 1200 cylinders, 10:1 forged pistons, SE 1200 ignition module, and kept the stock heads. I had my dealer dealer do the work and the whole deal came out to just over $1,000.

How long does it take to convert an 883 engine?

Nothing else even comes close on a dollar per horsepower basis. Converting your 883 is also a pretty simple operation, you can perform a conversion in a few hours without even removing the engine from the frame. Conversions can be done with no lower end work and they can be done using your stock heads and cams as well.

What’s the difference between 883 and 1200 cylinder heads?

You can read more about the various details of XL cylinder heads in this tech article. 883 heads have shallower chambers than their 1200 counterparts, and longer valves to match. This makes the valves start out closer to each other and closer to the pistons.

When did the 883 and 1200 share the same crankshaft?

Since 1995, 883’s and 1200’s have shared the same crankshaft at any given model year. The crankshafts are balanced for a piston weight that’s in between a stock 883 piston and a stock 1200 piston.

Can a Harley Davidson Sportster be upgraded to 1200 cc?

Harley-Davidson’s survival and success has been in promoting the modification of its bikes. Among those modifications is a kit that allows you to upgrade an 883 cc Sportster to a 1200 cc Sportster. While the kit can increase the performance of your Sportster, it is not without disadvantages.

Can a Sportster be converted to an 883?

But it won’t be an 883 Sportster just like other 883 Sportsters. Once that change is made, if you lose reliability, especially when you install new carburetors, it can be very difficult and costly to get right. Jetting carburetors is part art and part science.

Is the V-twin 883 a good bike?

The 883 was her first bike, and the power output was good for her to learn on, but she was having trouble keeping up on the superslab, especially in hot weather and with a windshield mounted. That is all cured now.

Can you put 1200 valves in an 883?

You can put 1200 size valves in 883 heads too, but the stem length is .600″ different, so you can’t just slap in 1200 valves. But 1200 conversion valves are readily available. What I’m getting at is that 883’s & 1200’s are NOT 2 different engines & a lot of parts someone may want to sell you don’t actually need.

What do you need for a Harley Davidson 1200cc conversion kit?

NRHS offers great value for their kit, which includes pistons, cylinders, rings, and a gasket kit. Their kits utilize special pistons to provide 10:1 compression without having to change the 883 heads to the 1200 version. For added performance though, they also offer special Thunderstorm or XB heads with special porting.

Can a Harley Davidson Sportster be converted to 1200cc?

Thanks to the available conversion kits, it’s easy to upgrade to the full 1200cc by changing just the cylinders and pistons. You can gain plenty of power to the rear wheel, while still maintaining reliability.

What’s the compression ratio on a Sportster head?

The seats can accomodate the standard XLH1200 valve sizes (1.715 intake/1.480 exhaust) and special longer “conversion valves” are available to do this upgrade. When used in an 883 to 1200 conversion, reverse dome (dish) conversion pistons are available to give a workable compression ratio.

What kind of heads does a Sportster 883r have?

Most sets of 883 heads you come across will be silver in color. 883R models have black 883 heads. All are easily identified by the “883” script cast into them adjacent to the chamber. 88-03 XLH1200 HEADS: These heads have a 67cc hemispherical chamber, i.e. it’s a round bowl with no squish band.

Can a 883 cc Sportster be converted to 1200 cc?

Among those modifications is a kit that allows you to upgrade an 883 cc Sportster to a 1200 cc Sportster. While the kit can increase the performance of your Sportster, it is not without disadvantages. No matter the manufacturer, the components and the job of installing the kit are similar.

Is there A S & S 883 to 1200 conversion kit?

S&S 883 To 1200 Conversion Kit For Harley Sportster 1986-2020 | 10% ($81.59) Off! – RevZilla Maybe you need more power from your 883. Maybe you’re a handy type who realized he could buy an 883 and a big-bore kit cheaper than he could buy a 120… Read More . Rebate Available! View Details Buy in monthly payments with Affirm on orders over $50.

Is there a conversion kit for a Harley Sportster?

S&S 883 To 1200 Conversion Kit For Harley Sportster 1986-2021 | 10% ($85.69) Off! – RevZilla We have updated our Privacy Policy. Please click here to review the updates.

Can a Harley 883 be bored out to 1200?

The absolute best bang for the buck is an 883 bored out to 1200 and sporting a set of ported heads. This conversion will yield more horsepower per dollar than anything else that can be done to any other Harley-Davidson. We use the same sized valves as used in the 1200 heads. A 1.715″ intake and a 1.480″ exhaust valve.

S&S 883 To 1200 Conversion Kit For Harley Sportster 1986-2021 | 10% ($85.69) Off! – RevZilla We have updated our Privacy Policy. Please click here to review the updates.

Can a HD Sportster be converted to 1200cc?

See Photos. S&S does not recommend boring 2004 and later 883cc cylinders from 3″ to 31/2″ bore to increase engine displacement to 1200cc due to changes in factory cylinder and liner. A smaller O.D. liner and large chamfer on the bottom of the spigot make boring the 883 cylinder not possible. New cylinders are recommended.

Do you need to change 883cc Pistons to 1200cc?

You don’t need to since these pistons weigh the same as stock 883 pistons. Cylinder head modification is also not needed. The dished piston dome keeps compression down to a streetable 9.4:1 with stock 883cc heads. Installing this kit takes the same time as replacing a stock top end.

Boost any 883cc Harley-Davidson ® Sportster ® to 1200cc. No machine shop? No problem, no machining is needed. Don’t want to rebalance your stock 883cc flywheels?

Can you convert an 883 Sportster to a XL1200?

Designed to bring your XL883 model up to XL1200 specifications. roar. This complete conversion kit will alter the personality of your 883-equipped Sportster model. Designed to bring your XL883 model up to XL1200 specifications.

Can a Screamin Eagle Sportster 883cc be converted?

What’s the best price to buy an 883 engine?

Maybe you’re a handy type who realized he could buy an 883 and a big-bore kit cheaper than he could buy a 1200 Sportster. Whatever the reason you’re contemplating enlarging your engine, know that S&S has got you covered with a high-quality kit that makes the job a snap.

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