Timing JHS cams? - SV650.org

14-12-10, 12:10 PM

Hey Guys new to the Forum.

Have a question relating to JHS Cams, think mine are stage two. Am rebuilding a race engine at the moment and Im wondering If I use the cam timing marks as per the manual when re timing the engine with these cams? The Inlet cams seem to be scribed on both cylinders with the tuners name who built the engine. Anyone who has installed these cams know?

any help is appreciated.

Thanks

14-12-10, 08:55 PM

Do they have adjustable sprockets? If yes those marks you can use just to set them in and from there you need to time them. Theoretically if everything is same as before they should be fine but checking is always best.

yorkie_chris · 14-12-10, 09:00 PM

I think my JHS ones are stage 2, I just fired them in. No adjustable sprockets, they were as fitted by JHS.

14-12-10, 09:04 PM

If no adjustable sprockets they should go in by manual. Call JHS and ask.

15-12-10, 09:51 AM

They are not adjustable sprockets. I have found out you use original timing marks.

Thanks for the help guys!

14-12-10, 12:10 PM	#1
tocr Guest Posts: n/a	Timing JHS cams? Hey Guys new to the Forum. Have a question relating to JHS Cams, think mine are stage two. Am rebuilding a race engine at the moment and Im wondering If I use the cam timing marks as per the manual when re timing the engine with these cams? The Inlet cams seem to be scribed on both cylinders with the tuners name who built the engine. Anyone who has installed these cams know? any help is appreciated. Thanks Last edited by tocr; 14-12-10 at 12:14 PM.

14-12-10, 08:55 PM	#2
zadar Guest Posts: n/a	Re: Timing JHS cams? Do they have adjustable sprockets? If yes those marks you can use just to set them in and from there you need to time them. Theoretically if everything is same as before they should be fine but checking is always best.

14-12-10, 09:00 PM	#3
yorkie_chris Noisy Git Mega Poster Join Date: Apr 2007 Location: Halifax/Leeds Posts: 26,645	Re: Timing JHS cams? I think my JHS ones are stage 2, I just fired them in. No adjustable sprockets, they were as fitted by JHS. __________________ Currently Ex Biker Now rebuilding a 63' fishing trawler as a dive boat

14-12-10, 09:04 PM	#4
zadar Guest Posts: n/a	Re: Timing JHS cams? If no adjustable sprockets they should go in by manual. Call JHS and ask.

15-12-10, 09:51 AM	#5
tocr Guest Posts: n/a	Re: Timing JHS cams? They are not adjustable sprockets. I have found out you use original timing marks. Thanks for the help guys!

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