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  #1  
Old 03-07-2010, 09:07 AM
derekbenson derekbenson is offline
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Unhappy suzuki trike problem

Ive got Suzuki GSX 1100G 1992 Trike, with Reliant A axle containing 4:1 ratio diff. 17 inch back wheels.

My problem is very fast pull away, no top end without screaming the engine, 50 mph equals 6000 revs.

Using the A axle, can I change the diff to a 3.23:1 to calm this down?
If so, where can I get one Essex/South East area?
Or any other alternative answer to solve the problem.
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Old 03-07-2010, 09:20 AM
devon-tony devon-tony is offline
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that would make things better,

if you get hold of the bikes manual and check the ratio of the final bevel box, that will give you an idea of the diff you require if you match the rolling radius of the bike and car tyres

a 17" bike wheel and tyre is probably bigger than a 17" car wheel and tyre?

there are sites on the web that you can find this info, maybe the change of diff, and then possibly a higher profile tyre also?
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Last edited by devon-tony; 03-07-2010 at 09:25 AM.
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  #3  
Old 03-07-2010, 10:32 AM
Blackjack Blackjack is offline
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http://www.reliantspares.com/

I would imagine Joe would probably have one....

http://www.reliantspares.com/updated_price_list.pdf

Seems to be 150 plus 40 P+P.
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Old 03-07-2010, 10:42 AM
odie odie is offline
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Quote:
Originally Posted by derekbenson View Post
Ive got Suzuki GSX 1100G 1992 Trike, with Reliant A axle containing 4:1 ratio diff. 17 inch back wheels.

My problem is very fast pull away, no top end without screaming the engine, 50 mph equals 6000 revs.

Using the A axle, can I change the diff to a 3.23:1 to calm this down?
If so, where can I get one Essex/South East area?
Or any other alternative answer to solve the problem.
The i.d on reliant axles only relates to the batch's when made!
(i have this info from an ex reliant employee)
Common fault that people seem to make i am afraid, one person says this is what is on mine and every-one thinks that they will all be the same, THEY ARE NOT as you have found out.
The ideal diff would be a 2.78 to 1 but they are rarer than rocking horse poo so the 3.2 to 1 will do.
I would suggest drifting out your stock wheel studs, opening up the hole left and fitting wheel studs from a vauhall frontera, bigger studs and will not break as easy, also allows you to fit proper wheel nuts for ali wheels (if you have ali wheels).
You can get the wheel nuts and wheel studs from a car breakers for pence!
odie
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Old 03-07-2010, 11:57 AM
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harry harry is offline
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Sounds like you have an axle from the Regal which had 13" rims

The Robin had 10" rims and more usefull ratios.

Odie is right with BIG wheels you gonna need bigger studs.

A back wheel snapping off on a bend is gonna ruin your day
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Old 03-07-2010, 12:49 PM
derekbenson derekbenson is offline
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Can I take the 4:1 crown & pinion out of the diff and replace it with the 3.2?
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Old 03-07-2010, 02:51 PM
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Quote:
Originally Posted by derekbenson View Post
Can I take the 4:1 crown & pinion out of the diff and replace it with the 3.2?
Doubt it very much the axles don't even look the same.
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Last edited by harry; 03-07-2010 at 02:52 PM. Reason: Big fingersd
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Old 03-07-2010, 04:49 PM
derekbenson derekbenson is offline
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Sorry to keep on lads, but not knowing too much about trike builds, I was told that reliant axles were all the same, just crown & pinion differ.

I bought this trike, instead of a bike, so I could take my disabled wife with me on bike runs, but this seems to be the only thing holding us back. Each time I try and solve this problem, I hit a brick wall.
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Old 03-07-2010, 04:56 PM
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Smaller wheels
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Old 04-07-2010, 07:41 AM
odie odie is offline
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When you split your axle (undo the bolts holding it together in the middle) is it a 2 piece or 3 piece?
" piece yes, 3 piece no"
If its a 3 piece sell it to some-one who is doing a chain drive trike.
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  #11  
Old 04-07-2010, 08:15 PM
Bozza Bozza is offline
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http://www.mankymonkeymotors.co.uk/T.../Diffratio.htm

Is this any help from Mankeymotors????

Bozza
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Old 05-07-2010, 04:38 PM
odie odie is offline
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Quote:
Originally Posted by Bozza View Post
http://www.mankymonkeymotors.co.uk/T.../Diffratio.htm

Is this any help from Mankeymotors????

Bozza
Always makes me laugh every time i see some-one post a copy of this as its wrong.

i.e 3.27 ratio diff with a tyre height 27 inchs at 6,500 rpm will do 160 mph = bullshit
(and yes i know there is a disclaimer)
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  #13  
Old 05-07-2010, 09:54 PM
happybiker happybiker is offline
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It isn't uncommon for reliant owners to swap diff internals about. Your 'A' axle should have a 3.23 ratio but it may be that someone with a Reliant Fox 4 wheeler ( 'F' axle, 4.1 ratio) , broke their axle and fitted the crownwheel and pinion into a 3 wheeler axle to replace it.

You will be able to swop it back if you can get the right gears. 3.23 0r 2.78 will fit without problems.

No Regal axle has a 4.1 ratio so yours will be a Robin,Realto, Kitten, Fox generic one with the ratio changed to suit.
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