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.
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.
How long does it take to repair an Ironhead engine?
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. Line boring is the process of centering and re-fitting the bearing races in one or both cases.
What are the different types of Ironhead engines?
An Ironhead engine build can be broken down into several categories. These include the top end, bottom end, transmission, clutch, carb/fuel, oil pump, and electrics (distributor, generator).
How much does it cost to rebuild an Ironhead engine?
A vintage Sportster engine requires special skills and tools to rebuild properly. 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).
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.
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.
An Ironhead engine build can be broken down into several categories. These include the top end, bottom end, transmission, clutch, carb/fuel, oil pump, and electrics (distributor, generator).