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last year of a well built, non smog Harley

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  #21  
Old 04-26-2012 | 12:52 AM
Other Sheep's Avatar
Other Sheep
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Well built harley? Isn't that an oxymoron? J/K
 
  #22  
Old 04-26-2012 | 02:15 AM
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Tech23
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Originally Posted by Stiggy
Yep, but that's not the problem.

'02 was the last year of the Timken Lefty bearing which supported the hot forged crank so well. It's only available now through the S/E P&A book at rebuild time.

'03 they went to a cold forged crank ( still decent,) then '07 that weak cast crank ( not so much!)

Biggest problem was the 07 cast cranks that slipped too frequently.

Personally wouldn't own anything newer than '02. ( Currently workin' on my second 100,000 miles on my '00 S/E RG.)
I agree 2002, timken bearings, true cranks that will readily take gear drive cams, carbureted, no emissions B/S. Not that the pre 02 TC's had base gasket issues but I understand the 02's TC had slightly deeper grooves for the base gasket O rings machined into the cylinders for better O ring retention.

Tech23
 
  #23  
Old 04-26-2012 | 09:41 AM
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collin
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I don't know about well built, but here are the dates when the EPA implemented standards

Motorcycle emission standards were first established in 1978 by the EPA and have remained unchanged since the 1980 model year. Those standards are 5 grams per kilometer hydrocarbon and 12 grams per kilometer carbon monoxide (5 g/km HC and 12 g/km CO). Only one state, California, received permission from the EPA to set its own lower standard because of its unique smog problems and, in several stages, reduced its motorcycle emission standard to 1.0 g/km for 50-699cc and 1,4 g/km for 700cc and above motorcycles. The current California emissions standard is therefore 3 1/2 to 5 times cleaner than the Federal one.

This final rule follows EPA’s Notice of Proposed Rulemaking (NPRM)
published on August 14, 2002 (67 FR 53050) and supplemented by a
notice dated October 30, 2002 (67 FR 66097)


Emission Limits
The following table shows the new exhaust standards for highway
motorcycles, including scooters and mopeds.
Highway Motorcycle Exhaust Emission Standards
We expect these standards to be met through an increased use of technologies
already demonstrated as being effective on 4-stroke motorcycle
engines, such as secondary air injection, electronic fuel injection systems,
and catalytic converters. The standards are not expected to result
in the universal use of catalytic converters.


Class, Engine Size(cc)------ Implementation Date HC (g/km) HC+NOx(g/km) CO (g/km)

Class I----less than 170---------2006---------------1.0-----------_-------------12.0
Class II------170-279-----------2006---------------1.0-----------_-------------12.0
Class III---280 and above-------2006----------------_------------1.4------------12.0
--------------------------------2010----------------_------------0.8------------12.0


"I always say 03-04, he says 07-08", Looks like no winner in this argument
 

Last edited by collin; 04-26-2012 at 09:46 AM.
  #24  
Old 04-26-2012 | 09:47 AM
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NDBadlands4-2
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Originally Posted by Hogpro
2002.
I agree, last year that the big twins had a carb.
 
  #25  
Old 04-26-2012 | 09:52 AM
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Originally Posted by NDBadlands4-2
I agree, last year that the big twins had a carb.

I believe 2006 was last year for carbs on TC and 07 for Sporties.
 
  #26  
Old 04-26-2012 | 09:53 AM
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schumacher
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mine's carbed
 
  #27  
Old 04-26-2012 | 11:16 AM
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Don't know for sure but it would likely be sometime in the mid 70's. Carbed bikes had emissions standards long before EFI and catalytic converters came along.
Remember those EPA mandated non-adjustable idle/air screws and slide needles? And those choked up air cleaners and mufflers? They fostered the beginning of the HD aftermarket explosion.
I won't even touch the 'well built' part - too many opinions on just what constitutes 'well built'.
 
  #28  
Old 04-26-2012 | 12:07 PM
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Well built + non smog = EVO
Simple, well built, & bullet proof.
 
  #29  
Old 04-28-2012 | 06:02 PM
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I'm putting my '04 on the list too. Carbed and no cats
Meow
 
  #30  
Old 04-28-2012 | 06:14 PM
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Didn't realise HD's had crankshafts.
 
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