How Much To Repair A Head Gasket On A 2007 Raptor 700r

How to Change a Head Gasket

Yamaha Raptor 700 top end gasket kit
Superlative-finish gasket kit for a Yamaha Raptor 700 ATV, including head gaskets

The idiom, "diddled a head gasket" is used to describe whenever someone is having themselves a major temper tantrum in response to a negative reaction. Information technology basically ways to "lose one's absurd", which is exactly what happens when a head gasket fails on an internal combustion engine. A blown head gasket can leak vital fluids such as coolant and oil which can outcome in overheating and, in turn, catastrophic irreparable engine failure.

Blown head gasket? Probably.
Coolant and oil mixing inside the engine is often the tell-tale sign of a diddled head gasket

Head gaskets are engineered to exist durable enough to withstand the farthermost heat and pressures of an internal combustion engine, just they're not intended to terminal forever. To ensure that your engine keeps its cool, you're going to need to periodically inspect the head gaskets for habiliment and degradation. If you possess a fair bit of mechanical aptitude but have never attempted to change out your own caput gaskets before, we'll show you how in iv easy steps.

Notation: The following instructions are for common applications. Even so, some makes and models require the engine to be removed from the chassis in gild to access the cylinder caput. If you do not have the experience and the resources, you should not endeavour to perform this job yourself and instead, seek help from a professional mechanic or a qualified service and repair center.

YOU Volition NEED:

Shop manual for your verbal make, model, and year of motorbike or ATV
Ratchet and socket ready
Gasket scraper
Combination wrenches
Torque wrench
New gasket
Gasket dressing

Pace ane:

Remove the frazzle headers, fuel tank, fairing (if equipped), and any obstructions and so that you can access the engine. For liquid-cooled engines, bleed the coolant. Be sure to set aside the removed parts in a prophylactic area away from the working infinite to prevent harm and/or loss of said items.

Step 2:

Loosen the cylinder head bolts and remove the cylinder head. Most likely, the erstwhile gasket will tear and leave backside bits of itself stuck on the head and the engine cake. Use your scraper to remove this debris and be sure not to let it fall into the cylinder or support through the head. Be extremely careful to not use excessive forcefulness or hardened scrapers to remove the old gasket material. You run the risk of causing deep scratches and grooves that volition prevent the gasket from forming a correct seal, thus leading to engine harm.

TIP : For V-twin or 5-banked engines, information technology might be a good idea to change out both head gaskets as both will likely accept aged the same.

Step iii:

Apply a low-cal layer of gasket dressing to your new gasket and place it on the surface where the engine block meets the cylinder head. Don't be sloppy and exercise not overapply the gasket dressing the excess can spew back out and clog the intake and combustion chambers. Be sure to install it in the proper direction and alignment as a malaligned gasket will be just as ineffective as blown or severely degraded one. Pay attention that the gasket lays flat and that there are no bends or gaps. Reinstall the cylinder head and tighten the bolts to the proper torque specifications as per your shop manual.

TIP : It may exist difficult to acquire replacement gaskets for vintage or extremely rare engines. Race-Driven stocks a wide assortment of complete gasket kits for popular domestic and foreign motorcycles and ATVs, including certain classic and vintage models. Still, if your exact make and model is unlisted and you cannot procure the necessary replacement gasket, you may have to fabricate your own out of blank gasket material sheets. These are bachelor at your local car parts shop.

STEP four:

Supercede exhaust headers, fuel tank, fairing (if equipped) and any other obstructive components that were removed back in Step 1. If your engine is of the liquid-cooled diverseness, refill the engine coolant to the specifications as noted in your shop transmission.

TIP : At this point, y'all might desire to run your engine for a few minutes and check for fluid leaks and vacuum leaks. To learn how to check for engine vacuum leaks, click here to bank check out our previous entry on the subject. If no leaks are found, you lot tin run your engine for 15-20 minutes so that a proper heat cycle occurs. This will help the gasket and gasket dressing "cure" and be ready in fourth dimension for normal operating use.

1971 Honda CB750
Honda's famous inline iv-cylinder 750four engine out of a 1971 CB750