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

barra8 · barra8

There are always so many questions about sprockets so i thought i'd make a list that we can all agree on (i think). This subject has so many variables like tire size ,snail position ect. to take into account but i think all info should be correct. I am prepared to be wrong if need be as it it a very complex sub...

TTRfan · TTRfan

I often speak to customers on the phone about the mysteries of chain fitting and remembered that I included a "show and tell" in the last project bike thread so I have started this new thread to make it easier to find. The chains I use (and sell) are Renthal R3 116 link ones so it needed to be shor...

Susan Parker · Susan Parker

My 'new to me' TTR 350 arrived with a 14/48 sprocket combination. I am wondering if this is the best set up for me: mostly riding off the tarmac, but an annual trip abroad requires the bike to be able to do reasonable speeds on the tarmac. Any advice would be gratefully received.

deefer · deefer

Morning all, I was doing a bit of reading on the TTR gearing and checked what is currently fitted to the bike i've recently bought for comparison. It appears i have an 18 front and 57 rear sprocket which seems at odds with a lot of the discussion threads i've seen on the subject of gearing. I was wondering...

TTRfan · TTRfan

Just had a mate, Bob, pop around for a new chain and sprocket set. He keeps a careful record of all that he does to is white OE and the mileages when he replaces parts, services the TTR, etc. I was very surprised to learn that he got 6,039 miles or 9,720km (and we double checked it!) out of his last Renthal R3 c...

hertsrider · hertsrider

Morning all, I'm currently running with 14/44 sprockets on my Raid but when i bought it, it came with a Renthal 52 tooth sprocket and chain to go with it. What will i notice putting the 52 sprocket on? How will the bike differ? FYI - i only do 'lane' riding with a bit of road to link up the lanes...no commutin...

steve99 · steve99

Here's a pic of my 2011 TTR250. It's a great bike but just recently after completely destroying the sump bolt I found myself with a big dilemma. As you can see by the pics below I really butchered the sump bolt when trying to loosen it - basically it'...

KMAN · KMAN

Hey who is runnin 13 48. How many links inc joiner. Cheers

ttboof · ttboof

The original 44 tooth rear sprocket was removed before the ttr left the dealer new I still have the 44 tooth sprocket never used it any feed back I have a few long days planned Always had a 48 on the back

petenz · petenz

https://www.youtube.com/watch?v=VnPYdcbcAe0

Petey4020 · Petey4020

I fitted a new chain and sprockets from the guys at Totally TTRs 6'ish months ago, fair bit of green landing done since. Chain seems to be wearing on something, any pointers please? The remaining links also show signs of wear, but not as bad as the link split pin.

KMAN · KMAN

Hey guys. Need your input.gearing on the ttr isnt quite right. Running 13.44. Most the riding im doing is a mix of forrest work.tight rutty single track.some fire tracks and also open trails.some rocky some dusty some creeks every thing oz! Road transfers are not that long maybe 15.20klm max Whats th...

Valkman · Valkman

The upper chain roller on my 2005 TTR250 has disintegrated. I have tried to find a parts catalogue so I can identify the part number(s) without success. Can anyone help

Rydasc6102 · Rydasc6102

I had the bike up on the stand yesterday and I put it in first gear to spray the chain lube on. While it was in gear I noticed that the chain was jumping at the front sprocket. Is the chain to stif or to lose maybe, or is this normal?

steve99 · steve99

I bought this 2011 TTR250 with a meagre 800klms on the clock a few weeks back for a good price. It's still fitted with the stock factory tyres and sprockets (14/44) which I intend to change soon. I'm thinking for the style of riding I do which often involves very slow riding that I'd be best served by...

threshold · threshold

Hey guys, I work away at an evil place called olympic dam. However there is plenty of good riding up here - great red sand for miles. My TTR needs to be geared down to have more power to ride through this thick sand. Does anyone have any reccomendations for a ratio where I would be able to sit on 100 km/h all da...

skyrider · skyrider

ok what type of chain is recommended for the ttr and is it still possible to fit one with a split link thanks

dlee22 · dlee22

Hi there has anyone got a recommend gearing for the steep hills of wales? I need a new sprocket set and chain anyway and since I've entered into the taffy dakar its a good time to upgrade. Also it'd be nice to be able to just swap the front sprocket out for for a larger one when i get home to the flat Northampt...

petenz · petenz

So what gear ratio are yous running for the road but still ok for easyer trails... the bike has 14/44 "3.1:1" standard.. I useing 14/47 "3.3:1" but is a bit dead into a head wind or long up hill pull.... it is only a 250 may want to much after the 660... might try 13/47 "3.6:1&qu...

shuter · shuter

Hi guys, I'm new to this whole thing. Have a beautiful '06 TTR-250 with crazy low miles on it, and just got it running perfectly. The factory chain is hardly broken in (only 220 total miles on the bike), but it's a bit rusted. I was given the chain pictured, but wanted to be sure it's the right one. It's an En...

petenz · petenz

just noticed the bottom half of the front chain slider is hanging down... broke though the 6mm bolt hole.. The old trusty cable tie sort of fixed it... Got a ride next week end....... Steve... you have mail... ...

fourelms · fourelms

Not seen this here....maybe its tucked away somewhere? I have used this for setting my gearing for Snetterton on my GSX-R600 and it worked perfectly well...it's very comphrehensive the first time takes a while but once saved its a peach of a program. enjoy http://www.gearingcommander.com/ -...

Suphiyan · Suphiyan

jst installed a 525 chain with 14/42T on a 1993 OE TTR. Bike ride fines but creates a chain dragging noise on the chain guard on the lower side.. any suggestion for a good chain size and sprocket?

TTRVN · TTRVN

Hello guys, I just changed my 1996 raid from 14 44 to 13 48. The new power is great and all, but now the digital odometer is giving out false numbers (bigger than the real speed) due to new ratio. Is there any way to adjust it for my new ratio? Thanks.

Plague37 · Plague37

Was reading a thread on gearing and Im trying to get the most out of the TTR without stressing the motor out too much as I ride mostly street with a good amount of highway use.I am running 14:52 now and it keeps up but in the high rpm range. Anybody have any experience with 15:44

Markvan · Markvan

12 tooth brand new , preparing the TTR for about 750km beach work , mainly all hard sand. 13 tooth has had about 500km beach work and 1500km road. 14 tooth has had about 30,000km all road work Bikes still running the OE 44 tooth rear sprocket we get here as standard from new. Most of the beach riding i do...

JOHNYBOY · JOHNYBOY

on my ttr open enduro i have fitted a trial tec speedo i am looking at fitting a different cover on the gearbox sprocket i have seen open ones so you can see the sprocket anyone got a used one for sale

Markvan · Markvan

Could the rear chain slider be lowered enough for this sprocket to fit a TTR.

One of the comments on the facebook page said they used the same internal gears on the 250 as in the 125 which this bike is.

JOHNYBOY · JOHNYBOY

just looking round my sons ktm & found 18 teeth missing from rear sprocket & 1 missing front they all looked ok when i adjusted & lubricated the chain prior to him using it i have never seen so many teeth missing i have just removed the chain no tight spots must be a stone that caused it or has...

nelly · nelly

my newly acquired 2005 ttr is geared fine for the road, 75mph + but it seems very tall on the trails,current sprockets are 14/44, I would like to try the 14/52 combo that seems to be a good compromise, but the more I read about it the more confused I'm getting, what size chain would I need?, taking into acco...

Topic		Started By	Replies	Views	Last Post
	STICKY: Gearing (final drive) reference chart. (Preview) There are always so many questions about sprockets so i thought i'd make a list that we can all agree on (i think). This subject has so many variables like tire size ,snail position ect. to take into account but i think all info should be correct. I am prepared to be wrong if need be as it it a very complex sub...	barra8	7	9735	Jul 23, 2021 by KMAN
	STICKY: Cutting and fitting a new chain (Preview) I often speak to customers on the phone about the mysteries of chain fitting and remembered that I included a "show and tell" in the last project bike thread so I have started this new thread to make it easier to find. The chains I use (and sell) are Renthal R3 116 link ones so it needed to be shor...	TTRfan	0	3750	Jun 12, 2013 by TTRfan
	Sprocket Question (Preview) My 'new to me' TTR 350 arrived with a 14/48 sprocket combination. I am wondering if this is the best set up for me: mostly riding off the tarmac, but an annual trip abroad requires the bike to be able to do reasonable speeds on the tarmac. Any advice would be gratefully received.	Susan Parker	3	3571	Sep 22, 2024 by mossproof
	Unusual (or maybe not?) gearing 1994 raid (Preview) Morning all, I was doing a bit of reading on the TTR gearing and checked what is currently fitted to the bike i've recently bought for comparison. It appears i have an 18 front and 57 rear sprocket which seems at odds with a lot of the discussion threads i've seen on the subject of gearing. I was wondering...	deefer	8	3154	Oct 30, 2023 by Mortown
	Chain life and chain adjustment (Preview) Just had a mate, Bob, pop around for a new chain and sprocket set. He keeps a careful record of all that he does to is white OE and the mileages when he replaces parts, services the TTR, etc. I was very surprised to learn that he got 6,039 miles or 9,720km (and we double checked it!) out of his last Renthal R3 c...	TTRfan	23	29812	Feb 12, 2023 by elvis
	Sprocket question... (Preview) Morning all, I'm currently running with 14/44 sprockets on my Raid but when i bought it, it came with a Renthal 52 tooth sprocket and chain to go with it. What will i notice putting the 52 sprocket on? How will the bike differ? FYI - i only do 'lane' riding with a bit of road to link up the lanes...no commutin...	hertsrider	44	14496	Dec 24, 2021 by mossproof
	Destroyed sump plug (Preview) Here's a pic of my 2011 TTR250. It's a great bike but just recently after completely destroying the sump bolt I found myself with a big dilemma. As you can see by the pics below I really butchered the sump bolt when trying to loosen it - basically it'...	steve99	4	1996	Aug 9, 2021 by Kaos
	Chain length (Preview) Hey who is runnin 13 48. How many links inc joiner. Cheers	KMAN	1	1766	Jul 26, 2021 by Kaos
	Feedback (Preview) The original 44 tooth rear sprocket was removed before the ttr left the dealer new I still have the 44 tooth sprocket never used it any feed back I have a few long days planned Always had a 48 on the back	ttboof	1	1721	Apr 27, 2020 by TerryK
	chain lube (Preview) https://www.youtube.com/watch?v=VnPYdcbcAe0	petenz	3	2467	Apr 22, 2019 by petenz
	Unusual chain wear - any ideas please (Preview) I fitted a new chain and sprockets from the guys at Totally TTRs 6'ish months ago, fair bit of green landing done since. Chain seems to be wearing on something, any pointers please? The remaining links also show signs of wear, but not as bad as the link split pin.	Petey4020	2	2376	Mar 18, 2019 by Petey4020
	Gearing for the aussies (Preview) Hey guys. Need your input.gearing on the ttr isnt quite right. Running 13.44. Most the riding im doing is a mix of forrest work.tight rutty single track.some fire tracks and also open trails.some rocky some dusty some creeks every thing oz! Road transfers are not that long maybe 15.20klm max Whats th...	KMAN	10	4113	Jan 23, 2019 by leigh
	Upper chain roller (Preview) The upper chain roller on my 2005 TTR250 has disintegrated. I have tried to find a parts catalogue so I can identify the part number(s) without success. Can anyone help	Valkman	29	28414	May 27, 2018 by TTRfan
	Chain (Preview) I had the bike up on the stand yesterday and I put it in first gear to spray the chain lube on. While it was in gear I noticed that the chain was jumping at the front sprocket. Is the chain to stif or to lose maybe, or is this normal?	Rydasc6102	1	2697	May 1, 2018 by TTRfan
	TTR250 gearing (Preview) I bought this 2011 TTR250 with a meagre 800klms on the clock a few weeks back for a good price. It's still fitted with the stock factory tyres and sprockets (14/44) which I intend to change soon. I'm thinking for the style of riding I do which often involves very slow riding that I'd be best served by...	steve99	12	6497	Feb 14, 2018 by petenz
	Hi guys, another sprocket question. (Preview) Hey guys, I work away at an evil place called olympic dam. However there is plenty of good riding up here - great red sand for miles. My TTR needs to be geared down to have more power to ride through this thick sand. Does anyone have any reccomendations for a ratio where I would be able to sit on 100 km/h all da...	threshold	24	4909	Sep 20, 2017 by threshold
	chain (Preview) ok what type of chain is recommended for the ttr and is it still possible to fit one with a split link thanks	skyrider	3	2958	May 29, 2017 by devon_rich
	Gearing for Steep terrain. (Preview) Hi there has anyone got a recommend gearing for the steep hills of wales? I need a new sprocket set and chain anyway and since I've entered into the taffy dakar its a good time to upgrade. Also it'd be nice to be able to just swap the front sprocket out for for a larger one when i get home to the flat Northampt...	dlee22	2	3245	Mar 3, 2017 by ttr steve
	road gearing... (Preview) So what gear ratio are yous running for the road but still ok for easyer trails... the bike has 14/44 "3.1:1" standard.. I useing 14/47 "3.3:1" but is a bit dead into a head wind or long up hill pull.... it is only a 250 may want to much after the 660... might try 13/47 "3.6:1&qu...	petenz	5	5286	Feb 17, 2017 by TTRfan
	Chain replacement for factory sprockets 2006 TTR-250? (Preview) Hi guys, I'm new to this whole thing. Have a beautiful '06 TTR-250 with crazy low miles on it, and just got it running perfectly. The factory chain is hardly broken in (only 220 total miles on the bike), but it's a bit rusted. I was given the chain pictured, but wanted to be sure it's the right one. It's an En...	shuter	13	4173	Oct 9, 2016 by ttr steve
	chain slider (Preview) just noticed the bottom half of the front chain slider is hanging down... broke though the 6mm bolt hole.. The old trusty cable tie sort of fixed it... Got a ride next week end....... Steve... you have mail... ...	petenz	4	3464	Jul 31, 2016 by ttr steve
	Gear Commander...gearing/tyre size/alternative cogs speed calculator (Preview) Not seen this here....maybe its tucked away somewhere? I have used this for setting my gearing for Snetterton on my GSX-R600 and it worked perfectly well...it's very comphrehensive the first time takes a while but once saved its a peach of a program. enjoy http://www.gearingcommander.com/ -...	fourelms	0	3681	Jul 21, 2016 by fourelms
	chain size (Preview) jst installed a 525 chain with 14/42T on a 1993 OE TTR. Bike ride fines but creates a chain dragging noise on the chain guard on the lower side.. any suggestion for a good chain size and sprocket?	Suphiyan	3	4651	Jul 6, 2016 by TTRfan
	New gearing...how to adjust odometer (Preview) Hello guys, I just changed my 1996 raid from 14 44 to 13 48. The new power is great and all, but now the digital odometer is giving out false numbers (bigger than the real speed) due to new ratio. Is there any way to adjust it for my new ratio? Thanks.	TTRVN	1	3509	Apr 9, 2016 by TTRfan
	15:44 gears for street use (Preview) Was reading a thread on gearing and Im trying to get the most out of the TTR without stressing the motor out too much as I ride mostly street with a good amount of highway use.I am running 14:52 now and it keeps up but in the high rpm range. Anybody have any experience with 15:44	Plague37	9	5195	Apr 9, 2016 by petenz
	12....13.....14 tooth front sprocket (Preview) 12 tooth brand new , preparing the TTR for about 750km beach work , mainly all hard sand. 13 tooth has had about 500km beach work and 1500km road. 14 tooth has had about 30,000km all road work Bikes still running the OE 44 tooth rear sprocket we get here as standard from new. Most of the beach riding i do...	Markvan	3	3866	Mar 20, 2016 by Markvan
	gearbox sprocket cover (Preview) on my ttr open enduro i have fitted a trial tec speedo i am looking at fitting a different cover on the gearbox sprocket i have seen open ones so you can see the sprocket anyone got a used one for sale	JOHNYBOY	11	4659	Mar 18, 2016 by JOHNYBOY
	88 tooth rear sprocket (Preview) Could the rear chain slider be lowered enough for this sprocket to fit a TTR. One of the comments on the facebook page said they used the same internal gears on the 250 as in the 125 which this bike is.	Markvan	1	3230	Mar 4, 2016 by JOHNYBOY
	sprocket teeth (Preview) just looking round my sons ktm & found 18 teeth missing from rear sprocket & 1 missing front they all looked ok when i adjusted & lubricated the chain prior to him using it i have never seen so many teeth missing i have just removed the chain no tight spots must be a stone that caused it or has...	JOHNYBOY	8	3807	Mar 1, 2016 by ttboof
	gearing again , sorry chaps (Preview) my newly acquired 2005 ttr is geared fine for the road, 75mph + but it seems very tall on the trails,current sprockets are 14/44, I would like to try the 14/52 combo that seems to be a good compromise, but the more I read about it the more confused I'm getting, what size chain would I need?, taking into acco...	nelly	9	3765	Feb 17, 2016 by nelly
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