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HP (Austrian) engines Tech Questions
Moderator: SteveM
87 topics • Page 1 of 1
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- Check www.mecoa.com FAQ for answers to common questions
by MECOA » Sat May 22, 2004 8:58 pm - 0 Replies
- 11530 Views
- Last post by MECOA
Sat May 22, 2004 8:58 pm
- Check www.mecoa.com FAQ for answers to common questions
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- HP 120 Twin guestions
by RPM Nut » Tue Jul 18, 2017 8:19 pm - 3 Replies
- 51665 Views
- Last post by RPM Nut
Wed Aug 02, 2017 10:45 am
- HP 120 Twin guestions
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- Can't get what I ordered from you...
by Woody218 » Mon Jul 17, 2017 6:26 am - 0 Replies
- 10347 Views
- Last post by Woody218
Mon Jul 17, 2017 6:26 am
- Can't get what I ordered from you...
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- Gold Cup 1.20 twin center crankshaft
by Cryhavoc » Sun Aug 23, 2015 3:30 am - 1 Replies
- 14786 Views
- Last post by MECOA
Sun Sep 06, 2015 9:58 am
- Gold Cup 1.20 twin center crankshaft
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- 1980'S HP 15
by astrahog45 » Sun Mar 22, 2015 12:21 pm - 1 Replies
- 9857 Views
- Last post by MECOA
Sat Apr 11, 2015 2:01 pm
- 1980'S HP 15
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- VT 49 inverted running
by alarine » Wed Sep 10, 2014 9:52 pm - 1 Replies
- 10071 Views
- Last post by MECOA
Mon Sep 15, 2014 1:14 pm
- VT 49 inverted running
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- How to cranckup 20year VT49
by nzbgamer » Sat Nov 16, 2013 9:00 am - 1 Replies
- 10711 Views
- Last post by MECOA
Fri Nov 29, 2013 5:54 pm
- How to cranckup 20year VT49
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- HP 40 Piston sleeve assemblies
by raglafart » Mon Sep 01, 2008 6:19 am - 4 Replies
- 17472 Views
- Last post by MECOA
Fri Aug 09, 2013 8:49 am
- HP 40 Piston sleeve assemblies
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- VT-21 Exhaust Size
by mikee909 » Fri Feb 08, 2013 2:28 pm - 0 Replies
- 11539 Views
- Last post by mikee909
Fri Feb 08, 2013 2:28 pm
- VT-21 Exhaust Size
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- VT 21 carb confusion
by Martin » Mon Jun 11, 2012 2:24 pm - 1 Replies
- 10741 Views
- Last post by MECOA
Sat Jun 16, 2012 1:47 pm
- VT 21 carb confusion
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- HP 40 rc glow plug question
by strick1940 » Thu May 24, 2012 5:16 pm - 10 Replies
- 25945 Views
- Last post by chiefss
Wed May 30, 2012 10:41 pm
- HP 40 rc glow plug question
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- HP VT 21 valve clearance
by Martin » Thu Mar 08, 2012 3:01 am - 1 Replies
- 10491 Views
- Last post by MECOA
Mon Mar 19, 2012 7:24 pm
- HP VT 21 valve clearance
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- carb. problem on hp 61
by triumphman » Sat Feb 25, 2012 10:51 pm - 1 Replies
- 10394 Views
- Last post by MECOA
Tue Mar 06, 2012 7:17 pm
- carb. problem on hp 61
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- HP 21 VT question...
by rapmoz » Fri Dec 09, 2011 2:41 am - 3 Replies
- 13615 Views
- Last post by MECOA
Fri Jan 20, 2012 11:47 am
- HP 21 VT question...
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- HPVT25 Specs
by High84FPV » Tue Dec 13, 2011 3:00 pm - 1 Replies
- 10442 Views
- Last post by High84FPV
Tue Dec 13, 2011 3:09 pm
- HPVT25 Specs
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- HPVT49 plumbing
by shrub3056 » Mon Dec 05, 2011 7:01 pm - 1 Replies
- 10539 Views
- Last post by MECOA
Sun Dec 11, 2011 9:40 pm
- HPVT49 plumbing
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- CL Venturi Assembly for HP 61 Gold Cup
by N99JH » Thu Nov 03, 2011 3:49 am - 1 Replies
- 10359 Views
- Last post by MECOA
Sun Nov 13, 2011 10:03 am
- CL Venturi Assembly for HP 61 Gold Cup
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- VT21 USA... is this more powerful than the Austrian version?
by Rusty-Gunn » Tue May 03, 2011 2:09 pm - 6 Replies
- 18023 Views
- Last post by MECOA
Wed Nov 02, 2011 3:45 pm
- VT21 USA... is this more powerful than the Austrian version?
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- HP 61 RC Gold Cup dimensions
by gkaraolides » Thu Jul 14, 2011 3:00 pm - 2 Replies
- 11088 Views
- Last post by gkaraolides
Mon Jul 18, 2011 12:34 am
- HP 61 RC Gold Cup dimensions
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- HP .15 Rear Rotor - Info?
by dedaddy007 » Tue Apr 12, 2011 7:40 pm - 1 Replies
- 9351 Views
- Last post by MECOA
Sun Apr 17, 2011 6:35 pm
- HP .15 Rear Rotor - Info?
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- HP 61 VT
by jcarducci » Sat Apr 18, 2009 12:14 pm - 12 Replies
- 28503 Views
- Last post by rockindaddy
Mon Dec 13, 2010 7:02 pm
- HP 61 VT
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- HP 61 question
by svo » Thu Oct 14, 2010 9:41 pm - 2 Replies
- 11033 Views
- Last post by svo
Fri Oct 15, 2010 12:16 pm
- HP 61 question
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- HPVT49 RPM ADVICE PLEASE
by boz » Thu Sep 09, 2010 11:05 am - 1 Replies
- 9353 Views
- Last post by chiefss
Thu Sep 09, 2010 1:58 pm
- HPVT49 RPM ADVICE PLEASE
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- HP .61 Gold CUP Help!!!
by Riverruns2me » Thu Aug 05, 2010 1:26 am - 1 Replies
- 10311 Views
- Last post by MECOA
Sun Aug 15, 2010 9:01 pm
- HP .61 Gold CUP Help!!!
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- HP VT61 Exhaust thread
by weeleyboy » Wed Dec 09, 2009 5:42 am - 1 Replies
- 10170 Views
- Last post by MECOA
Thu Jan 14, 2010 10:45 am
- HP VT61 Exhaust thread
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- VT 21 Needle housing problem
by jwitham » Wed Sep 02, 2009 8:04 pm - 1 Replies
- 10361 Views
- Last post by MECOA
Tue Sep 08, 2009 7:03 am
- VT 21 Needle housing problem
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- Is my 21VT powerfull enough
by BayNavigator » Sun Apr 06, 2008 1:51 pm - 5 Replies
- 16906 Views
- Last post by BayNavigator
Sun Jun 28, 2009 2:54 pm
- Is my 21VT powerfull enough
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- Cant Start VT21
by ohaley » Sun May 24, 2009 10:13 pm - 1 Replies
- 10052 Views
- Last post by MECOA
Sun May 31, 2009 12:50 pm
- Cant Start VT21
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- Hirtenberger .61 (4 bolts head)
by leoplanes » Thu May 07, 2009 6:58 pm - 1 Replies
- 10329 Views
- Last post by MECOA
Thu May 07, 2009 8:54 pm
- Hirtenberger .61 (4 bolts head)
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- Upgrading my VT49 to bearing head
by ceeg » Mon Apr 27, 2009 8:23 pm - 0 Replies
- 11269 Views
- Last post by ceeg
Mon Apr 27, 2009 8:23 pm
- Upgrading my VT49 to bearing head
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- Which model is my HP 4 stroke?
by weeleyboy » Sun Apr 19, 2009 8:07 am - 1 Replies
- 10129 Views
- Last post by MECOA
Mon Apr 20, 2009 7:27 pm
- Which model is my HP 4 stroke?
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- VT 49 Valve Shim
by Imhoff43 » Sat Mar 21, 2009 4:44 pm - 1 Replies
- 10334 Views
- Last post by MECOA
Tue Mar 31, 2009 7:57 am
- VT 49 Valve Shim
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- Hp .61 vs HB .61
by xeon19 » Sun Dec 14, 2008 8:22 pm - 2 Replies
- 11851 Views
- Last post by xeon19
Sun Dec 21, 2008 12:43 pm
- Hp .61 vs HB .61
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- HP 40R engine info
by florin777 » Fri Aug 29, 2008 5:33 pm - 2 Replies
- 12086 Views
- Last post by MECOA
Fri Aug 29, 2008 8:07 pm
- HP 40R engine info
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- HP 40 parts
by bobsrc » Tue Aug 26, 2008 6:52 am - 0 Replies
- 11365 Views
- Last post by bobsrc
Tue Aug 26, 2008 6:52 am
- HP 40 parts
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- HP 40 SILVER STAR
by kingy077 » Sun May 18, 2008 9:32 pm - 2 Replies
- 12358 Views
- Last post by triax01
Fri Jul 11, 2008 8:53 am
- HP 40 SILVER STAR
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- HP VT .49 exploded view and disassembly instructions
by c1802362 » Sat Jun 07, 2008 8:06 pm - 3 Replies
- 13597 Views
- Last post by Dad_Roman
Wed Jun 18, 2008 3:15 pm
- HP VT .49 exploded view and disassembly instructions
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- VT49 Lower end failure
by Dad_Roman » Sat May 31, 2008 9:00 pm - 1 Replies
- 10607 Views
- Last post by Dad_Roman
Sat May 31, 2008 9:11 pm
- VT49 Lower end failure
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- HP .40 Silver Star Cylinder Liner/ piston set
by Aaron_Novak » Thu May 08, 2008 1:11 pm - 2 Replies
- 12279 Views
- Last post by Aaron_Novak
Sat May 10, 2008 10:50 pm
- HP .40 Silver Star Cylinder Liner/ piston set
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- Damage to Con rod by gear shaft
by Ted Hatton » Thu Feb 14, 2008 5:44 pm - 1 Replies
- 10771 Views
- Last post by MECOA
Fri Feb 29, 2008 9:51 pm
- Damage to Con rod by gear shaft
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- HP 21 VT SPEZIAL - EXPLODED DIAGRAM OF PARTS
by judaji » Thu Jan 03, 2008 1:57 pm - 1 Replies
- 11184 Views
- Last post by Dad_Roman
Wed Feb 20, 2008 11:42 am
- HP 21 VT SPEZIAL - EXPLODED DIAGRAM OF PARTS
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- HP 49 VT Exhaust header question
by Dad_Roman » Wed Dec 05, 2007 1:13 pm - 2 Replies
- 12299 Views
- Last post by Dad_Roman
Wed Dec 19, 2007 9:33 pm
- HP 49 VT Exhaust header question
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- HP 61 GC Slide Carb Operation
by tutelar-rc » Tue Oct 02, 2007 9:11 pm - 6 Replies
- 18798 Views
- Last post by tutelar-rc
Tue Oct 16, 2007 8:09 pm
- HP 61 GC Slide Carb Operation
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- Difference between VT.21 and .25?
by Longdan » Fri Aug 31, 2007 2:50 am - 1 Replies
- 11104 Views
- Last post by MECOA
Sat Sep 29, 2007 7:13 pm
- Difference between VT.21 and .25?
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- 61 GC settings
by digital_trucker » Sat Jun 16, 2007 12:37 pm - 3 Replies
- 13937 Views
- Last post by MECOA
Fri Jul 06, 2007 11:38 am
- 61 GC settings
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- VT 49 & VT 61
by Zelio » Sun May 13, 2007 4:38 pm - 1 Replies
- 11376 Views
- Last post by MECOA
Mon May 14, 2007 11:02 am
- VT 49 & VT 61
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- HP 40F - RC
by dmacpherso » Fri Mar 09, 2007 9:04 am - 1 Replies
- 11204 Views
- Last post by MECOA
Fri Mar 16, 2007 7:13 pm
- HP 40F - RC
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- HP 61 - mixture adjustment
by Lysander » Mon Nov 13, 2006 10:57 am - 2 Replies
- 12977 Views
- Last post by Lysander
Wed Nov 15, 2006 1:25 am
- HP 61 - mixture adjustment
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- HP 61 Carb
by kjswear » Tue Oct 10, 2006 11:43 am - 2 Replies
- 12744 Views
- Last post by kjswear
Fri Oct 13, 2006 10:51 am
- HP 61 Carb
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- HP 40 Gold cup Muffler
by shipoke » Fri Oct 06, 2006 12:50 pm - 0 Replies
- 12110 Views
- Last post by shipoke
Fri Oct 06, 2006 12:50 pm
- HP 40 Gold cup Muffler
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- HP61 gaskets?
by dbarn » Wed Sep 27, 2006 2:05 pm - 2 Replies
- 12563 Views
- Last post by dbarn
Tue Oct 03, 2006 6:34 am
- HP61 gaskets?
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- VT 49 Fuel draw and Glo plug problems
by Ted Hatton » Sat Sep 02, 2006 3:22 pm - 1 Replies
- 11301 Views
- Last post by MECOA
Sun Sep 03, 2006 11:57 am
- VT 49 Fuel draw and Glo plug problems
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- HP 21 Problems
by Imhoff43 » Fri Sep 01, 2006 7:55 am - 1 Replies
- 11253 Views
- Last post by MECOA
Sat Sep 02, 2006 11:14 am
- HP 21 Problems
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- HP Gold cup 61R broken thread
by maikatze » Wed Aug 09, 2006 10:29 am - 1 Replies
- 11250 Views
- Last post by MECOA
Wed Aug 16, 2006 7:40 am
- HP Gold cup 61R broken thread
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- VT21 Running Problem Unresolved
by davideo4301 » Tue May 30, 2006 5:04 am - 3 Replies
- 14299 Views
- Last post by MECOA
Tue Jun 13, 2006 7:05 am
- VT21 Running Problem Unresolved
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- VT 21 running Problems
by davideo4301 » Fri May 12, 2006 7:28 am - 1 Replies
- 11335 Views
- Last post by MECOA
Fri May 12, 2006 8:24 am
- VT 21 running Problems
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- HP .61 Motor
by ForeverHero » Fri Apr 28, 2006 1:29 pm - 1 Replies
- 11571 Views
- Last post by MECOA
Mon May 01, 2006 4:15 pm
- HP .61 Motor
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- Early HP Silver Star .40
by Kelpie » Fri Dec 02, 2005 7:33 pm - 3 Replies
- 14664 Views
- Last post by Kelpie
Sun Dec 04, 2005 4:43 pm
- Early HP Silver Star .40
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- VT 49 stalling
by JSRagman » Tue Nov 08, 2005 10:29 am - 5 Replies
- 18385 Views
- Last post by MECOA
Tue Nov 22, 2005 9:20 pm
- VT 49 stalling
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- Difficulty tuning HP.61 carb
by djc » Sat Oct 01, 2005 4:51 pm - 3 Replies
- 15282 Views
- Last post by MECOA
Mon Oct 24, 2005 12:35 pm
- Difficulty tuning HP.61 carb
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- HP .61 Gold Cup
by ctoms » Sat Oct 01, 2005 11:16 pm - 1 Replies
- 11870 Views
- Last post by MECOA
Wed Oct 12, 2005 8:00 am
- HP .61 Gold Cup
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- Need info on my HP VT FC 25 Austrian
by captb33 » Thu Sep 15, 2005 10:23 pm - 1 Replies
- 11900 Views
- Last post by MECOA
Thu Sep 22, 2005 8:23 pm
- Need info on my HP VT FC 25 Austrian
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- VT-21 and VT-49
by mikee909 » Tue Sep 13, 2005 7:42 pm - 1 Replies
- 11848 Views
- Last post by MECOA
Thu Sep 15, 2005 12:31 pm
- VT-21 and VT-49
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- H P SILVER STAR 61
by JOHN DAVIES » Wed May 04, 2005 4:14 am - 1 Replies
- 12215 Views
- Last post by MECOA
Thu Sep 15, 2005 12:28 pm
- H P SILVER STAR 61
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- Early HP61 Carb
by boz » Wed May 04, 2005 9:44 am - 1 Replies
- 11551 Views
- Last post by MECOA
Wed May 04, 2005 8:18 pm
- Early HP61 Carb
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- Hp61 question
by redappy » Sat Apr 23, 2005 7:15 am - 1 Replies
- 11829 Views
- Last post by MECOA
Mon Apr 25, 2005 6:39 pm
- Hp61 question
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- HP Gold Cup .40 Sleeve Question
by tzsetzse » Fri Mar 18, 2005 5:51 pm - 1 Replies
- 12066 Views
- Last post by MECOA
Thu Mar 24, 2005 9:19 pm
- HP Gold Cup .40 Sleeve Question
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- Advice on break in of NIB HP 49VT
by John Joyce » Mon Mar 14, 2005 10:59 am - 3 Replies
- 15036 Views
- Last post by MECOA
Sun Mar 20, 2005 10:25 am
- Advice on break in of NIB HP 49VT
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- HP 21 fuel?
by BillS » Sat Jan 29, 2005 6:43 pm - 1 Replies
- 11773 Views
- Last post by MECOA
Sun Jan 30, 2005 11:23 am
- HP 21 fuel?
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- HP 61 Gold Cup New vs. Old
by ModelBuilder » Mon Dec 13, 2004 2:59 pm - 3 Replies
- 16156 Views
- Last post by MECOA
Sat Dec 18, 2004 6:41 pm
- HP 61 Gold Cup New vs. Old
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- HP .40 RISE
by Dan Mrozek » Sun May 23, 2004 12:52 pm - 1 Replies
- 12230 Views
- Last post by MECOA
Sun May 23, 2004 4:41 pm
- HP .40 RISE
87 topics • Page 1 of 1
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