Can You rebuild an ironhead Sportster engine aftermarket?
Among the serviceable parts are the main bearings – the races can be honed oversize and fitted with new oversize roller bearings. Original Ironhead cylinders (not aftermarket) have enough material to be safely bored up to .060″ oversize. A vintage Sportster engine requires special skills and tools to rebuild properly.
Can a Harley Sportster engine be out of balance?
Due to their 45-degree configuration, V-twin motors such as Harley Sportsters are inherently out of balance to begin with. It is essential that the flywheel assembly be properly rebuilt and trued, or engine vibration will not only numb your hands and feet, it may cause internal engine damage.
Is the ironhead Sportster derived from the Flathead?
Although the Sportster four-cam design is derived from the Harley 45 flathead, it’s still pretty complex. During installation, if the breather valve is not correctly timed, the gear case does not get properly lubricated. This can have disastrous results at higher RPMs.
Can a aluminum engine case be repaired in an Ironhead rebuild?
Engine cases are the most important component of an Ironhead engine rebuild. Always check carefully for cracks upon disassembly. Aluminum engine cases are repairable and can be made as good as new, provided the repair was done right.
What makes the pro-R hypercharger so good?
The Hypercharger has continued to evolve to meet the needs of the performance-minded rider. There are no sacrifices with the Pro-R Hypercharger. Large frontal opening and vacuum-operated butterflies allow for almost-unrestricted airflow to the filter under high-load riding situations.
How much does it cost to build an Ironhead engine?
If you’re thinking of having it done at a motorcycle shop, a complete Ironhead engine build could easily run $2,000 with some shops quoting over $3,000. And if you don’t have a qualified shop in your area, factor in another $350-$500 for shipping (there and back).
Which is the most time consuming part of an Ironhead engine build?
The most time-consuming part of an Ironhead engine build is the bottom end. Repairing the lower end requires specialty tools and skills, and can take considerable time to properly measure and rebuild. Aside from the labor, factor in the cost of parts and special tools needed.
How much horsepower do you get with a hypercharger?
Normally, replacing a stock air cleaner with a Hypercharger will net you a 7-9 horsepower increase at the rear wheel, with no other modifications! Add a carb recalibration kit, a good performance exhaust system (not drag pipes) and a 12-14 horsepower increase is normal.
The Hypercharger has continued to evolve to meet the needs of the performance-minded rider. There are no sacrifices with the Pro-R Hypercharger. Large frontal opening and vacuum-operated butterflies allow for almost-unrestricted airflow to the filter under high-load riding situations.
Can a hypercharger be used as an air cleaner?
The Hypercharger set the standard over 20 years ago as the benchmark in V-twin performance! Normally, replacing a stock air cleaner with a Hypercharger will net you a 7-9 horsepower increase at the rear wheel, with no other modifications!
What makes a kuryakyn hypercharger a hot rod?
Electronic RPM-based butterfly engagement delivers calculated movement to eliminate vacuum-operated fluttering. Think of it as an unbridled dose of modern style and technology injected into a legendary bloodline of pure hot-rod inspired performance.
Can a push rod be removed from an Ironhead engine?
Ironhead cam removal is easier when the four push rods are removed, although the tappets can just be loosened to remove them. Old Sportsters do not have as close tolerances as modern engines have, but cam clearance should be set to factory specs if not a tad bit looser.
How many miles does a 1975 ironhead Sportster have?
1975 Harley Sportster 1000 XL ironhead with clean title, 23,873 miles matching Frame and motor numbers 3A41217H5 in fairly nice shape just needs some bringing back to life.
Among the serviceable parts are the main bearings – the races can be honed oversize and fitted with new oversize roller bearings. Original Ironhead cylinders (not aftermarket) have enough material to be safely bored up to .060″ oversize. A vintage Sportster engine requires special skills and tools to rebuild properly.
Ironhead cam removal is easier when the four push rods are removed, although the tappets can just be loosened to remove them. Old Sportsters do not have as close tolerances as modern engines have, but cam clearance should be set to factory specs if not a tad bit looser.
How long does it take to start an ironhead Sportster?
Once you know it, it will usually start in 1-5 kicks. That will greatly depend on how much of a hurry you are in. Seriously, don’t ask, but it is true. Real hurry, and it will give you some grief. No hurry, start right up. You can text me at 6509240317 for more detail. If you want to call, please do so during reasonable west coast hours.