New guy needing help with alternator

[IntruderVS]

Hi Guys, I’ve been browsing your site for a while and and found it very informative and interesting.

I have 4 Yamaha 2strokes I’ve restored, RZ250, RZ350, TZR250, RD250LC  and something a little more familiar to you all a 86 GSX1100EF.

Ok now to my question, I have acquired a 88 GSX1100F power screen model with a dead alternator and have found a GSXR750 alternator and going by pics it looks the same, the question I have is it possible to swap the drive gear from the “F” to the GSXR one and bolt in?

cheers

 

[CockneyRick]

Yes there should be no problem swapping the drive gear over.

I don't think there's a difference between em bar the teeth count but just double check the height (stand the alt up & measure its height with either gear on)

Oh & make sure the gear is properly torqued/Loctited on  

[Gixer1460]

And don't force it into the hole as that's liable to crack the oil pump gear!

[CockneyRick]

Yea, treat it like the wife, push it in, pull it out etc until you hit the spot  

[wraith]

Welcome to OSS,

Yes as above, you can/need to swop the gear wheels over, the gear wheel then locates on the oil pump gear which is behind the clutch. It can be a bit fiddley. Put some rubber grease around the rubber seal on the alternator as well. 

Edited May 29, 2018 by wraith

[CockneyRick]

Or engine oil if u ain't got any  

[IntruderVS]

Wow push it in pull it out and even talk of lube hope we still talking about alternators

Anyway what a helpful bunch you all are much appreciated, I’ve organized the GSXR one to be sent to me so once here I will see how it works out, fingers crossed as can’t find a “F” one.

will let you know how I get on in a few days

cheers 

[CockneyRick]

TBH the GSX1100F engine (Same as mine in my Drag bike build thread) is just an 1127 lump. So any 1127 Alt will fit, & prob all 1052's & even Blandit 12's  

[Captain Chaos]

I've read somewhere that the 1100F generator has higher output than other oilcooled ones, Suzuki thought when desinging the bike that tourers would be equiped with accessories like heated grips and stuff.

But still other ones will fit and work once you swap the driven gear over.

[IntruderVS]

Yes did have the thought it may be higher output with the power screen but then it’s not as if your moving it up and down constantly but as you say aimed at touring so other accessory’s  would likely be added. This one has heated hand grips fitted.

The GSXR alternator was sent today so hope to have in a day or 2.

[IntruderVS]

You guys Rock! Alternator turned up and as you said straight swap of the gears. Everything measured up the same so cool and cleaned oil off the threads and loctite to help make sure the nut stays put.

will refit on the weekend as since I had to remove carbs to get at the alternator might as well give them a clean out and check float levels in spec.

cheers

[IntruderVS]

Just letting you know all is well, refitted alternator made sure to push it home before bolting to make sure gears had meshed and can report charging now. Battery had 12.7 volts and with bike running goes up to 14.8.

now to take it for a ride when this bloody weather comes right.

[Captain Chaos]

Result

although 14,8V is a bit high, should be 14,5. Better do the charging system mod as described on here somewhere.

[Captain Chaos]

here http://oldskoolsuzuki.info/archives/400