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mit101
90cc 2 stroke / 110 4 stroke
Joined: 03 Mar 2011
Posts: 65
Location: perth WA
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 Posted: Sun Jul 31, 2011 7:49 pm Post subject: what hours do you rebuild your bike? |
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hey everyone my 08 ltr 450 seems a little down on power, i had the valves adjusted the other week, the mechanics said that my valves where out and they replaced the shims. at that point the bike was a little hard to start but now it kicks over like new. however i have had the yoshimmura pim computer installed since it being done it seems to have lost power, the bike has done 78 hours. it hasnt done any racing but i do ride aggresivly and use the motor as hard as i can. getting it on the dyno seems the obvious choice but im curious if ppl reckon i should just do a complete tear down on the engine and rebuild it with high comp piston and cams etc.... whats your thoughts? ive been told that you should rebuild every 100 hours??
need some advice as im gonna start racing next year
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2008 SUZUKI LTR450
Flexx Bars
Pro Armor Kill Switch
IMS Intimidator Bumper
Maxxis Razrs all around
Full RS-5 Yoshi Exhaust
K&N Filter
Yoshimura PIM2 ECU
Xtreme Nerfs
ASV Shorty Levers
Fox Evol Floats (on order) |
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feralkid
The Day Starts With OZATV !
Joined: 29 Oct 2007
Posts: 1567
Location: North Western Victoria
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| Posted: Mon Aug 01, 2011 8:44 pm Post subject: |
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Well at a guess, because my bike didn't have an hour meter on it when I bought it that engine could have done anything over 100-200 hours. 2nd rebuild was 40 hours after that and was a pretty much a full build and this one now is 12 hours. 
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"If in doubt go flat out"
"Nothing worth having is easy to get" |
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Clarkie
The Day Starts With OZATV !
Joined: 26 Jan 2009
Posts: 1138
Location: Mildura VIC
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| Posted: Mon Aug 01, 2011 9:26 pm Post subject: |
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Piston / Valves ( its a TRX  ) 20 Hours, Crank 60 hours
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Has turned to the Dark Side! |
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PeteW
Moderator
Joined: 09 Feb 2006
Posts: 1877
Location: Doreen, Vic
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| Posted: Mon Aug 01, 2011 10:40 pm Post subject: |
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100 hours is not unreasonable to expect out of an LTR but if you are going to really ride it hard then maybe sooner than that. say a piston every 30 hours and a crank or rod kit and bearings every 100
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www.thumbpump.com
www.dirtcomp.com.au |
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mit101
90cc 2 stroke / 110 4 stroke
Joined: 03 Mar 2011
Posts: 65
Location: perth WA
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| Posted: Tue Aug 02, 2011 12:10 am Post subject: |
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thanks boys it appears ill order the parts tommorow, looks like ill go with je piston 12-8-1
stage 1 cams
new crank
ill check the gearbox too
should be a monster by the time im done, got new dirt digger clutch and hinson clutch plate on the way. new cv4 hoses new chain and sprocket, new nerfs with heal guards new rear grab bar, and of course the floats. so once its all on it should hammer
_________________
2008 SUZUKI LTR450
Flexx Bars
Pro Armor Kill Switch
IMS Intimidator Bumper
Maxxis Razrs all around
Full RS-5 Yoshi Exhaust
K&N Filter
Yoshimura PIM2 ECU
Xtreme Nerfs
ASV Shorty Levers
Fox Evol Floats (on order) |
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