I mounted an octagon oil tank and it seems like the chain is running very close to the tank through the "Tunnel", I don't know what else to call
it. I am afraid when the bike is running it will be clanking from side to side hitting the oil tank. Has anyone experienced this problem before? Do they
make smaller chains (not as wide) as the stock chain? I can't raise the tank up any higher (no room).
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octagon oil tank problem?
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 hondakid63 |
octagon oil tank problem? |
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Posts: 194 (02/01/08 6:58 PM) |
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alanshivley |
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Posts: 6342 (02/01/08 7:03 PM) G.O.T.F. Member |
can you post some pics? chains have more up and down movement than side to side..what size chain do you use? 530 or 630? |
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hondakid63 |
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Posts: 195 (02/01/08 7:06 PM) |
I'm not sure, the bike is a 78 cb750, how can you tell the difference?
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alanshivley |
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Posts: 6343 (02/01/08 7:30 PM) G.O.T.F. Member |
are you using the stock chain?
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choppinlow |
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Posts: 4340 (02/02/08 10:19 AM) G.O.T.F. Member |
yes, it can be a big problem and be the wildest chain oiler you have ever seen. It may be a case of the oil tank wont work without modification. I have seen
some guys just weld some 1/4 or 1/2 plate to the area the chain will rub to let it eat at that insted of the tank......obviously not for show bikes
You may have to modify the tank to fit or get a different one. Some like to run chain tensioners to help with crap like that, but Im no big fan of that approach....more crap to clutter up a clean chop and more crap to break and repair. |
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alanshivley |
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Posts: 6347 (02/02/08 1:11 PM) G.O.T.F. Member |
I had chain clearance issues with my rigid but it was at the frame rail..i went to a smaller rear sprocket and that solved it...i like having a 43 tooth on the
rear anyway...better hiway rpms..the shift is smoother and i don't notice any loss at low end...maybe a smaller sprocket would solve your problem...worth a
try..
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the750sergeant |
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Posts: 882 (02/02/08 6:09 PM) Senior Member |
Chains love to eat oil tanks for lunch.....The great thing is once it starts to break threw, your chair stays lubricated
You can't "Chop" when you keep adding crap...
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yerREALdad |
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Posts: 98 (02/02/08 7:31 PM) |
The '78 motor uses the larger 630 chain. You could change sprockets & chain to the smaller 530, but you take the chance of breaking the chain if you
like to drive it hard or do wheelies. I had a similar problem on one of my bikes and made a "sleeve" out of steel to bolt inside the tunnel so it
wouldn't wear into the oil tank.
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olgraybeard |
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Posts: 778 (02/02/08 7:40 PM) Senior Member |
I have the same problem, tried skate board wheel tensioner to push down on top chain but wheel/bearing didn't hold up. I went to a dirt bike shop and got
a 40 mm wheel set up with sealed bearing that he said lasted a long time on dirt bikes. I just mounted it up today so I can't tell you how it lasts on
street applications. western power sports WPS 59=9901 .
view of my bracket view of chain . The pics are with the old skate board wheel but I used the same setup with the new wheel. I used a 5/16- 18 by 3" long grade 8 bolt with a 1/8 ips pipe slid over it for a axle and shim. double nut the axle on the bracket so the wheel has a little side ways motion. and don't tighten the chain to much. With the setup I have 1 1/2" - 3" clearance at the oil tank. Before mod 1/2" . The best part the set up was only $13.50
Last Edited By: olgraybeard
02/02/08 7:51 PM.
Edited 4 times.
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74rat |
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Posts: 4178 (02/03/08 7:39 AM) |
yerREALdad wrote: Disagree...a 530 chain, will be fine for doing wheelies and running er hard!!
when in doubt..knock`um out...H.C.C.M.F LOCAL 6978 Flint Michigan..3rd most dangerous city in the USA..come back and visit us..sorry we "missed" you the first time..LOL |
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alanshivley |
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Posts: 6351 (02/03/08 7:52 AM) G.O.T.F. Member |
i'm with rat on this one..spend a little more and get a good quality chain(this is NOT a part you want to get cheap with)...keep it cleaned..lubed and
adjusted properly and you won't have any problems..
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