A forum for owners of Yamaha TTR250 trail and enduro bikes!

spit · spit

Hi all Currently I have a 14/50 set up, which works well off road on the easy tracks in Hertfordshire, UK. Top speed on the road is about 102 kph (63mph) I think I'd like to do the Institute of Advanced Motorists test, and a prerequisite is the bike must be able to do above 70mph. What gearing do you think I ne...

leigh · leigh

Hi Guys, Just bought a 2006 ttr250. cant wait to get out on it!! Just changing the sprockets and tyres to make it more offroad friendly got a question, Going to run 13-48 sprockets, got a new 110/100/18 ac10 tyre. Is this combo going to fit? Fitting a new chain as well. Searching the site it seems i...

ERBS · ERBS

Probably been asked umpteenth times but what the advantages of changing the sprockets From the standards? better pull away? More top end?

TT-R250M · TT-R250M

Just thought i'd let everyone know what rear sprockets interchange. The front (as far as i know) is not interchangable with anything as the TTR-250 front sprocket has a built in collar whereas the others have a separate collar. I have found front sprockets that fit the shaft but whether or not this wou...

Harleyquin · Harleyquin

Hi I'm now looking for an 18T (420) sprocket to fit my 1994 Raid. Does anyone know what Yamaha (or other) sprockets will fit the Raid - I'm not sure what pattern will fit? Thanks Pete

Harleyquin · Harleyquin

Hi I have just joined the forum and have been having a good look round for sprocket/chain info but haven't found anything that matches the setup on my bike. It's a 1994 Raid (4GY3) with an 18T front sprocket, 57T rear sprocket and what I take to be a 428 -134 chain. The chain needs replacing and I guess I s...

Hp · Hp

Just a quick question really. Are all ttr250 using the same front sprocket design, I am aware my open enduro is a import as its a 1993 in the UK so doesn't show up when doing a UK part search. So if I just type 1999 in the parts search all bits should fit my bike? (not petrol tanks of course)

Bugeye_bob · Bugeye_bob

http://www.ebay.co.uk/itm/RENTHAL-REAR-131-520-46T-SPROCKET/380698916927?_trksid=p2047675.m1850&_trkparms=aid%3D222002%26algo%3DSIC.FIT%26ao%3D1%26as...

petenz · petenz

After a ride over the weekend... I have found the gearing is far to tall.. 13/44 So I have ordered 12/13/14 engine sprockets & a 47 rear.. The 14/47 gives the same ratio as 13/44 12 & 13 sprockets to lower the ratio.. which are the same as increassing the rear sprocket by 3 or 6 teeth.. Should beab...

Michael TTR250 · Michael TTR250

Hey guys, The majority of riding I do is real tight steep 1st gear mountain trails, I find I am needing more revs than are practical at these slow speeds and thinking about changing my sprocket to give me more revs/grunt down low. I have standard 14 and 44 tooth setup at the moment and my question is i...

different sprocket profiles · matador

I have a TTR & XT660R both running on 520 chain, as I use the XTR off road I use x3 front sprockets 13,14,15. I had been running on a 14 front but decided to fit a new 15 t front before going out with friends to the 'Cassington bike night 2013' (look it up, it's brill, 10,000 bikes in a small Cotswold villag...

Mike Wright · Mike Wright

I just fitted a new chain and sprockets however there are 2 wire clips... Im presuming these are for spacers for the rubber o rings when you first instal the soft link and are removed afterwards.... Is this correct please as Ive not used the wire clips before? Its these little thin wires that come with i...

Andy_C · Andy_C

Hi just looking for confirmation from anyone in the know. Changing out my front drive sprocket, am I right in thinking its a left-handed thread? So turning it in a clockwise direction will undo it? Strangely enough I can't find confirmation in the yamaha workshop manual or the handbook or remember fr...

Marshall · Marshall

Hey all im changing my sprockets and chain on my 1999 Blue TTR250, was hoping someone could give me a little advice and check out the sprockets and chain kits on Ebay im looking at. I just dont know whats best or what will or will not work, price dont matter as long as the product is good. So what do you guys th...

yamalama · yamalama

Hi all, Can anyone tell me if it is possible to remove my 14 tooth front sprocket and replace it with a 13t without splitting the final drive chain? The chain is in nearly new condition, so won't bend to the side any more than a new one. Thanks Lama

mpok3 · mpok3

Another sprocket/chain question but I'm not asking for gearing combos so hopefully it's an easy one

I've just recently put a Pirelli MT43 on the rear but it's really close to the swingarm (so close I've had to remove the mudguard as it was rubbing on it; when the bike was still it had about 2-3...

yamalama · yamalama

Hello again. My 'Blue tank' model TTR came to me with 14 - 44 gearing and a 106 link chain. I want to lower the gearing while ideally using the current chain, which is in good condition. I read on this site that 13 - 48 fits well with the standard 108 link chain. But I also read that 14-44 was standard gearing a...

Andy_C · Andy_C

http://ttr250.activeboard.com/t51527342/chain-length-for-14-52-and-14-44/These

Vancor88 · Vancor88

Bike is a US (blue) 2001 -TTR 250 I am considering making it street legal. Would still be riden primarily offroad. Currently running 13F/52R sprockets. I was wondering if anyone has tried other combinations and would be interested to know what there experiences were. Thanks

Cubber · Cubber

After an afternoon visit to Mr TTR I have obtained a present for my TTR. The gearbox sprocket currently on my bike (13 teeth) has finally succombed to "hookitis" and is nearing its limit of usefulness. I didn't want it replaced with a similar sized sprocket since I'm always advocating that...

TTR-Tony · TTR-Tony

I was given a brand new Western Power Sports chain today and i was wondering if it will fit my 2000 Yammy TTR250. Factory size is a 520V2-110 and the chain i was given is a 520H-114 will it fit if i remove 4 links? i dont know if this will help but the new chain is part number 69-5114G WPS brand. -- Edited by TTR-...

dan-reeves · dan-reeves

Hello I stripped down my bike today to change the plug and clean all the mud out. was going to do an oil change but the sump plug has a rounded head obviously the people i bought it of off didn't think to mention this . I had a look at my sprockets and they are extremly hooked, The set up i am running is 13-44 ...

BM Steve · BM Steve

Hi All Having recently replaced the sprockets front and rear there is now an annoying noise comming from the front sprocket area, nothing is touching, case guard clear etc... Is it the new sprocket ? the original one, Yamaha had rubber moulded into the sprocket and was much quieter I think I think I rea...

Bysa · Bysa

Hey Guys, Just recently bought a 2010 TTR250, and im loving it. Unfortunately i dont know much about motorcycles as i am new to riding, but i was just curious if you need to do any chain maintenance every now and then just so the life span is longer and less hassles? If so what do i need to do and the products i...

TTRfan · TTRfan

Hi guys Is the standard gearing 14-44 same as the OE please? Brian

davecambo · davecambo

is there a simple step by step for getting the rear wheel off for just a rear sprocket change? im going from a 44 to a 47. cheers

lee · lee

Hello All, Looking at my chain and sprocket and I notice the sprockets don't look too bad but the chain isn't sitting on the teeth properly, as if the links are too short. On further inspection it appears to have supersprox 50T and a 13T front.Sounds like a nice set up for the dirt but will it work? does any...

Brick_Top · Brick_Top

Guys, My chain and sprockets got a little rusty last winter when riding in the salt to and from work and laning a couple of times. There is very little wear but the chain has rusted now and when it gets past a certain point there is no recovering it. I've not used my bike all year due to injury however I want to...

Topic		Started By	Replies	Views	Last Post
	road riding-sprocket sizes? (Preview) Hi all Currently I have a 14/50 set up, which works well off road on the easy tracks in Hertfordshire, UK. Top speed on the road is about 102 kph (63mph) I think I'd like to do the Institute of Advanced Motorists test, and a prerequisite is the bike must be able to do above 70mph. What gearing do you think I ne...	spit	7	4057	Jan 21, 2014 by Fladdem
	Help with gearing and tyre size (Preview) Hi Guys, Just bought a 2006 ttr250. cant wait to get out on it!! Just changing the sprockets and tyres to make it more offroad friendly got a question, Going to run 13-48 sprockets, got a new 110/100/18 ac10 tyre. Is this combo going to fit? Fitting a new chain as well. Searching the site it seems i...	leigh	10	1986	Dec 28, 2013 by ttboof
	Sprockets and chains (Preview) Probably been asked umpteenth times but what the advantages of changing the sprockets From the standards? better pull away? More top end?	ERBS	2	1403	Nov 27, 2013 by ERBS
	Interchangable sprockets (Preview) Just thought i'd let everyone know what rear sprockets interchange. The front (as far as i know) is not interchangable with anything as the TTR-250 front sprocket has a built in collar whereas the others have a separate collar. I have found front sprockets that fit the shaft but whether or not this wou...	TT-R250M	7	4541	Nov 9, 2013 by TT-R250M
	Front Sprocket for Raid (Preview) Hi I'm now looking for an 18T (420) sprocket to fit my 1994 Raid. Does anyone know what Yamaha (or other) sprockets will fit the Raid - I'm not sure what pattern will fit? Thanks Pete	Harleyquin	0	1157	Nov 5, 2013 by Harleyquin
	1994 Raid sprockets/chain (Preview) Hi I have just joined the forum and have been having a good look round for sprocket/chain info but haven't found anything that matches the setup on my bike. It's a 1994 Raid (4GY3) with an 18T front sprocket, 57T rear sprocket and what I take to be a 428 -134 chain. The chain needs replacing and I guess I s...	Harleyquin	4	1716	Oct 18, 2013 by TTRfan
	Front sprocket (Preview) Just a quick question really. Are all ttr250 using the same front sprocket design, I am aware my open enduro is a import as its a 1993 in the UK so doesn't show up when doing a UK part search. So if I just type 1999 in the parts search all bits should fit my bike? (not petrol tanks of course)	Hp	5	1549	Oct 3, 2013 by TT-R250M
	Will this fit ? (closed) (Preview) http://www.ebay.co.uk/itm/RENTHAL-REAR-131-520-46T-SPROCKET/380698916927?_trksid=p2047675.m1850&_trkparms=aid%3D222002%26algo%3DSIC.FIT%26ao%3D1%26as...	Bugeye_bob	3	1481	Sep 13, 2013 by Bugeye_bob
	gearing to tall (Preview) After a ride over the weekend... I have found the gearing is far to tall.. 13/44 So I have ordered 12/13/14 engine sprockets & a 47 rear.. The 14/47 gives the same ratio as 13/44 12 & 13 sprockets to lower the ratio.. which are the same as increassing the rear sprocket by 3 or 6 teeth.. Should beab...	petenz	2	1430	Aug 12, 2013 by Markvan
	Advice on sprocket size (Preview) Hey guys, The majority of riding I do is real tight steep 1st gear mountain trails, I find I am needing more revs than are practical at these slow speeds and thinking about changing my sprocket to give me more revs/grunt down low. I have standard 14 and 44 tooth setup at the moment and my question is i...	Michael TTR250	7	8555	Jul 20, 2013 by matador
	different sprocket profiles (Preview) I have a TTR & XT660R both running on 520 chain, as I use the XTR off road I use x3 front sprockets 13,14,15. I had been running on a 14 front but decided to fit a new 15 t front before going out with friends to the 'Cassington bike night 2013' (look it up, it's brill, 10,000 bikes in a small Cotswold villag...	matador	9	2518	Jul 14, 2013 by matador
	Renthal chain (Preview) I just fitted a new chain and sprockets however there are 2 wire clips... Im presuming these are for spacers for the rubber o rings when you first instal the soft link and are removed afterwards.... Is this correct please as Ive not used the wire clips before? Its these little thin wires that come with i...	Mike Wright	3	1335	May 12, 2013 by TT-R250M
	front sprocket... (Preview) Hi just looking for confirmation from anyone in the know. Changing out my front drive sprocket, am I right in thinking its a left-handed thread? So turning it in a clockwise direction will undo it? Strangely enough I can't find confirmation in the yamaha workshop manual or the handbook or remember fr...	Andy_C	2	1545	Apr 20, 2013 by Andy_C
	New Sprockets and chain(your opinion needed) (Preview) Hey all im changing my sprockets and chain on my 1999 Blue TTR250, was hoping someone could give me a little advice and check out the sprockets and chain kits on Ebay im looking at. I just dont know whats best or what will or will not work, price dont matter as long as the product is good. So what do you guys th...	Marshall	26	5562	Mar 14, 2013 by Nomada_Firefox
	Can front sprocket be changed without splitting chain? (Preview) Hi all, Can anyone tell me if it is possible to remove my 14 tooth front sprocket and replace it with a 13t without splitting the final drive chain? The chain is in nearly new condition, so won't bend to the side any more than a new one. Thanks Lama	yamalama	10	2123	Mar 5, 2013 by Nomada_Firefox
	Add 2 links? (Preview) Another sprocket/chain question but I'm not asking for gearing combos so hopefully it's an easy one I've just recently put a Pirelli MT43 on the rear but it's really close to the swingarm (so close I've had to remove the mudguard as it was rubbing on it; when the bike was still it had about 2-3...	mpok3	1	1523	Feb 19, 2013 by TT-R250M
	Will 13 - 48 work with 106 link chain? (Preview) Hello again. My 'Blue tank' model TTR came to me with 14 - 44 gearing and a 106 link chain. I want to lower the gearing while ideally using the current chain, which is in good condition. I read on this site that 13 - 48 fits well with the standard 108 link chain. But I also read that 14-44 was standard gearing a...	yamalama	11	2928	Feb 7, 2013 by yamalama
	Chain length for 14/52 sprocket change... (Preview) http://ttr250.activeboard.com/t51527342/chain-length-for-14-52-and-14-44/These	Andy_C	19	19333	Nov 28, 2012 by Cubber
	What Sprocket sizes do you use? (Preview) Bike is a US (blue) 2001 -TTR 250 I am considering making it street legal. Would still be riden primarily offroad. Currently running 13F/52R sprockets. I was wondering if anyone has tried other combinations and would be interested to know what there experiences were. Thanks	Vancor88	1	2300	Oct 27, 2012 by barra8
	New chain & sprockets (Preview) After an afternoon visit to Mr TTR I have obtained a present for my TTR. The gearbox sprocket currently on my bike (13 teeth) has finally succombed to "hookitis" and is nearing its limit of usefulness. I didn't want it replaced with a similar sized sprocket since I'm always advocating that...	Cubber	42	10343	Oct 16, 2012 by pantheman
	Chain fitting? (Preview) I was given a brand new Western Power Sports chain today and i was wondering if it will fit my 2000 Yammy TTR250. Factory size is a 520V2-110 and the chain i was given is a 520H-114 will it fit if i remove 4 links? i dont know if this will help but the new chain is part number 69-5114G WPS brand. -- Edited by TTR-...	TTR-Tony	1	1083	Oct 15, 2012 by barra8
	Sprockets (13-44?) (Preview) Hello I stripped down my bike today to change the plug and clean all the mud out. was going to do an oil change but the sump plug has a rounded head obviously the people i bought it of off didn't think to mention this . I had a look at my sprockets and they are extremly hooked, The set up i am running is 13-44 ...	dan-reeves	20	3805	Jun 24, 2012 by TTRfan
	Drive Sprocket (Preview) Hi All Having recently replaced the sprockets front and rear there is now an annoying noise comming from the front sprocket area, nothing is touching, case guard clear etc... Is it the new sprocket ? the original one, Yamaha had rubber moulded into the sprocket and was much quieter I think I think I rea...	BM Steve	4	1640	Jun 19, 2012 by TTRfan
	Chain Maintenance...? (Preview) Hey Guys, Just recently bought a 2010 TTR250, and im loving it. Unfortunately i dont know much about motorcycles as i am new to riding, but i was just curious if you need to do any chain maintenance every now and then just so the life span is longer and less hassles? If so what do i need to do and the products i...	Bysa	4	1754	May 16, 2012 by Bysa
	What is standard gearing on the Raid? (Preview) Hi guys Is the standard gearing 14-44 same as the OE please? Brian	TTRfan	8	2976	Feb 23, 2012 by davecambo
	rear sprocket (Preview) is there a simple step by step for getting the rear wheel off for just a rear sprocket change? im going from a 44 to a 47. cheers	davecambo	4	1800	Feb 2, 2012 by davecambo
	Chain and sprockets (Preview) Hello All, Looking at my chain and sprocket and I notice the sprockets don't look too bad but the chain isn't sitting on the teeth properly, as if the links are too short. On further inspection it appears to have supersprox 50T and a 13T front.Sounds like a nice set up for the dirt but will it work? does any...	lee	7	7573	Jan 27, 2012 by lee
	Need new chain and sprockets, where to buy and what gearing? (Preview) Guys, My chain and sprockets got a little rusty last winter when riding in the salt to and from work and laning a couple of times. There is very little wear but the chain has rusted now and when it gets past a certain point there is no recovering it. I've not used my bike all year due to injury however I want to...	Brick_Top	42	3131	Jan 16, 2012 by Aidan
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