Not sure how much change there was in the ABS from '05 to '07 (part numbers are similar with a different prefix - look pretty much the same on parts fiche). Major change for the 2008 model year. Note: wheels for '05 (ABS) -'07 are compatible but change for the '08 model year.Welcome!
I've got a 2005 ABS model. Mine is like most 2005 with ABS - the rear ABS doesn't work. They changed the ABS unit design for the 2006 so that the unit would more easily flush...
In general, the prefix difference means there was a significant change. The 3 digit prefix identifies the model code of the bike the part was first designed for. This can vary not only from year to year, but also from market to market. EG: an otherwise identical model with a metric speedometer can have a different model code than the version with miles. But the part numbers for, say, the brake pads will start with the same prefix.Not sure how much change there was in the ABS from '05 to '07 (part numbers are similar with a different prefix - look pretty much the same on parts fiche).
I was looking at the Hydraulic Unit on Partzilla (Item #1 on the following fiche)In general, the prefix difference means there was a significant change. The 3 digit prefix identifies the model code of the bike the part was first designed for. This can vary not only from year to year, but also from market to market. EG: an otherwise identical model with a metric speedometer can have a different model code than the version with miles. But the part numbers for, say, the brake pads will start with the same prefix.
All of the discussions I've seen have said the 2006+ is a different unit and implied they cannot be substituted. Neither am I aware of any pattern of failure of 2006-2007 ABS units rear brake functionality as with the 2005. That alone suggests a significant difference.I know we are a bit off-topic but the OP did express a desire to learn something more about his bike. The on-line parts fiche is pretty useful to get some idea which parts are be interchangeable between years. (Also gives you an idea of real world prices that will almost always be lower than the dealer.) In this instance, it shows a definite physical difference between the '07 and '08 hydraulic units. It is less clear whether the differences between '05(ABS) and '06/'07 or between '12 and '13 are real or just a numbering artifact due to major bike "Generation" change. In some instances, the part may be physically identical but with a small difference (i.e. connector or bracket) that requires a unique part designation. In other cases, a part number change may reflect a different supplier even though the part is functionally the same so don't assume that because a number is different, it can't be used - worth checking.
As I said, the numbers are different but that does not necessarily mean the parts are different. Anecdotally, it seems that the '06 and '07 hydraulic units are more reliable but I haven't done a survey and haven't done (or heard of anyone doing) a side-by-side comparison. Without evidence of compatibility, I wouldn't attempt to swap in an '06 unit to an'05. Certainly, I had no issues with my '07 rear ABS in the 9 years and 185,000 miles I owned it.All of the discussions I've seen have said the 2006+ is a different unit and implied they cannot be substituted.
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