My 1973 Harley-Davidson XLH Ironhead Sportster, 1000cc

1971 XLH (same model as my bike, two years earlier, with windshield)

1973 XLCH (the XLCH models came stock with the kick starter only and no electric starter)

1975 XLH (same model as my bike, two years later)

Illustrations from Harley-Davidson 1970-1978 XL/XLH/XLCH/XLT-1000 Service Manual, 1978