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FJR Motorcycle Forums
Technical & Mechanical Problems
Coolant change question
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<blockquote data-quote="SkooterG" data-source="post: 609481" data-attributes="member: 118"><p>No.</p><p></p><p>My suggestion is to skip the flush. Sure, you won't get *all* the old coolant out, but you'll get most. If you flush with water, there will always be some water left in the system. Now, how do get a proper 50/50 mix?</p><p></p><p>So, these days I just drain, blow out as much as I can, then fill with the Honda pre-mix coolant. And again, no need to bleed the water pump or burp hoses. This makes the whole operation so much simpler. If your concerned that you didn't get all the old coolant out, then simply perform this maintenance evolution a bit more often than normal. All you are doing with new coolant is refreshing the corrosion protection. It will have nothing to do with the cooling system's performance.</p><p></p><p>What you might find is after riding your FJR for a while the level in the reservoir might go down an inch or so as the system eventually purges any air. No big deal. It's not that much. I always fill to a bit above the 'full' line and then don't worry about it.</p></blockquote><p></p>
[QUOTE="SkooterG, post: 609481, member: 118"] No. My suggestion is to skip the flush. Sure, you won't get *all* the old coolant out, but you'll get most. If you flush with water, there will always be some water left in the system. Now, how do get a proper 50/50 mix? So, these days I just drain, blow out as much as I can, then fill with the Honda pre-mix coolant. And again, no need to bleed the water pump or burp hoses. This makes the whole operation so much simpler. If your concerned that you didn't get all the old coolant out, then simply perform this maintenance evolution a bit more often than normal. All you are doing with new coolant is refreshing the corrosion protection. It will have nothing to do with the cooling system's performance. What you might find is after riding your FJR for a while the level in the reservoir might go down an inch or so as the system eventually purges any air. No big deal. It's not that much. I always fill to a bit above the 'full' line and then don't worry about it. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Coolant change question
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