craigwf3 Posted October 10, 2014 Share Posted October 10, 2014 got a little problem with my 1998 cbr 600f my battery died the other week so I bought a new one (I bought the bike off my mate and he hadnt changed it for about 6-8 years) fitted the new one charged it up and its been fine for a month, but today after a quick run out I came home turned it off and when I tried to start it 10 mins later it wouldn't turn over, the same problem as before. now my neighbour mentioned the rectifier and ive googled it and it looks a easy change but im wondering if the is anything else I need to check or am I best getting the electrics checked, do you guys have any ideas??? Quote Link to comment Share on other sites More sharing options...
Tango Posted October 10, 2014 Share Posted October 10, 2014 What sort of runs are you doing on the bike?......if it's only a couple of miles at a time you may not be replacing the juice that the starter is using..... But it deffo sounds like the charging circuit should be checked......could be Reg/Rec......but could be a burnt Stator winding.....so, either check it yourself with a multimeter or take it somewhere to get checked....... Quote Link to comment Share on other sites More sharing options...
whitedevil Posted October 12, 2014 Share Posted October 12, 2014 Reg/rec is a common weak item on most older hondas, i had to replace mine when i had a cbr, http://www.offwidth.co.uk/bike/general/ ... ding_2.pdffollow that flow chart to make sure its definitely the r/r. I recommend getting a better r/r from electrexworld and not just fitting another crappy one. Quote Link to comment Share on other sites More sharing options...
craigwf3 Posted October 12, 2014 Author Share Posted October 12, 2014 ive tested the rr and the earth is knackered on it so i have to order a new one, i just hope the batteries ok as its brand new. Quote Link to comment Share on other sites More sharing options...
Dav3y Posted October 12, 2014 Share Posted October 12, 2014 If the battery will take a charge disconnected from the bike I would imagine it should be fine. Long term completely flat is what can kill batteries.Good that it seems you've found the source of the problem. Quote Link to comment Share on other sites More sharing options...
Pete Posted October 15, 2014 Share Posted October 15, 2014 If the battery will take a charge disconnected from the bike I would imagine it should be fine. Long term completely flat is what can kill batteries.Good that it seems you've found the source of the problem. Batteries can go 'flat' enough to not start the bike, but bikes need a fair amount of umph to turn over. Being left for ages will turn it into an ugly paperweight.If you use something like an Optimate it has a deep charge (or similar name) function on it for your situation. It's good to keep a trickle charger going on the bike anyway if you can. I had the (well known and dreaded) reg/rectifier problem on my old Blackbird (also a CBR) a few years back. Changed the r/r and kept it on an Optimate for over 3 years and never had a problem with the battery since. Battery was a Motobatt which is a high torque one (whatever that means) and it bursts into life every time. Quote Link to comment Share on other sites More sharing options...
craigwf3 Posted October 15, 2014 Author Share Posted October 15, 2014 i wish i could my garage is away from the house and doesnt have a power supply, but i have had a look at the oxford solariser but i dont know anyone whos used one. Quote Link to comment Share on other sites More sharing options...
Joeman Posted October 17, 2014 Share Posted October 17, 2014 i wish i could my garage is away from the house and doesnt have a power supply, but i have had a look at the oxford solariser but i dont know anyone whos used one. just get a solar trickle charger. so long as there is nothing draining the battery, the solar panel will be enough to keep it charged.this is a big one - you can get smaller ones...http://www.halfords.com/motoring/bulbs- ... ner-12v-6wEDIT:This one is half the pricehttp://www.halfords.com/motoring/bulbs- ... r-12v-1-5w Quote Link to comment Share on other sites More sharing options...
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