October 13, 2003 ECM and ICM Issues The 2004 efi models require different ECM calibrations. This means 2003 and earlier stage cartridges will not work properly on 2004 motorcycles. 2004 cartridges will retrofit back to earlier bikes (note: do not use the two -04 cartridges mentioned below). Refer to P&A Bulletin 775 and... Read more

M-1063A 1 of 3 GENERAL As recently advised in the October 15, 1996 Mailgram (ML- 342), Harley-Davidson has become aware that the effects of reformulated gasoline, along with certain usage of the vacuum operated fuel valve (Part Nos. 61338-94, 61338-94A and 62169-95) could affect the supply of gas to the carburetor. ... Read more

M-1149 1 of 3 ® SERVICE BULLETIN RECALL CODE 0112 - 2004 DYNA FUEL LINE REPLACEMENT Purpose Harley-Davidson has recently learned that a condition exists on certain 2004 model year Dyna Glide fuel-injected motorcycles. The rubber fuel hose has the potential to separate from the inner liner, causing a fuel leak which... Read more

Symptoms: Overly Rich mixture , rough idling M-1162 1 of 2 SERVICE BULLETIN ICM SOFTWARE UPDATE Purpose The purpose of this service bulletin is to notify the dealer network of a production running change and service parts change to provide an ICM strategy and PPU (Pulses Per Unit) software update. This bulletin will... Read more

June 21, 2004 Low Fuel Lamp On EFI Models Information on low fuel lamp diagnostics was inadvertently omitted from the 2004 Manuals. The low fuel lamp should turn on when the fuel level is between .7 and 1.3 gallons. Whenever checking proper lamp ON-OFF operation remember all of our EFI model fuel gauges have a software... Read more

June 17, 2002 Speedometer Signal and Code P0505 The speedometer signal is an extremely important input for the Delphi fuel injection system. The ECM monitors throttle position and speed signal inputs in order to properly maintain the set idle speed. If the ECM loses the speed signal for any reason while the throttle is... Read more

August 10, 2005 Diagnosing Oil Consumption There has been a rise in oil consumption complaints on 2005 – 06 model year vehicles. The intent of this Tech Tip is to help you determine if there is an actual oil consumption issue and more accurately diagnose the root cause. 1. First, determine if there is excessive oil consumption... Read more

Brake Lights Staying On If you encounter the brake lever causing the brake light to flicker or stay on without use of brake, it may be due to the piston return spring not returning to proper length. This leaves lever with free play and does not contact the brake light switch properly. To correct this situation, you should use a... Read more

Cruise Control On ‘97 models only, if cruise does not set above 60 mph or speeds up from 60 to 70 mph and then cancels, check cables for proper adjustment. If the adjustments are correct, the cruise module may need to be replaced. For replacement use P.N. 70989-98 and use existing cruise cable. If you change an induction module... Read more

EFI Idle If the hot idle speed on EFI models falls below preset values, you should check for low fuel pressure. Low fuel pressure could be caused by a hole in fuel hose inside the tank. If fuel pressure is low, it may require removal and inspection of fuel feed hose from pump to filter. If the hot idle speed fluctuates or... Read more